Information Disclosure
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
How It Works
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security. This happens through multiple channels: verbose error messages that display stack traces revealing internal paths and frameworks, improperly secured debug endpoints left active in production, and misconfigured servers that expose directory listings or version control artifacts like .git folders. APIs often leak excessive data in responses—returning full user objects when only a name is needed, or revealing system internals through metadata fields.
Attackers exploit these exposures systematically. They probe for common sensitive files (.env, config.php, backup archives), trigger error conditions to extract framework details, and analyze response timing or content differences to enumerate valid usernames or resources. Even subtle variations—like "invalid password" versus "user not found"—enable account enumeration. Exposed configuration files frequently contain database credentials, API keys, or internal service URLs that unlock further attack vectors.
The attack flow typically starts with passive reconnaissance: examining HTTP headers, JavaScript bundles, and public endpoints for version information and architecture clues. Active probing follows—testing predictable paths, manipulating parameters to trigger exceptions, and comparing responses across similar requests to identify information leakage patterns.
Impact
- Credential compromise: Exposed configuration files, hardcoded secrets in source code, or API keys enable direct authentication bypass
- Attack surface mapping: Stack traces, framework versions, and internal paths help attackers craft targeted exploits for known vulnerabilities
- Data breach: Direct exposure of user data, payment information, or proprietary business logic through oversharing APIs or accessible backups
- Privilege escalation pathway: Internal URLs, service discovery information, and architecture details facilitate lateral movement and SSRF attacks
- Compliance violations: GDPR, PCI-DSS, and HIPAA penalties for exposing regulated data through preventable disclosures
Real-World Examples
A major Git repository exposure affected thousands of websites when .git folders remained accessible on production servers, allowing attackers to reconstruct entire source code histories including deleted commits containing credentials. Tools like GitDumper automated mass exploitation of this misconfiguration.
Cloud storage misconfigurations have repeatedly exposed sensitive data when companies left S3 buckets or Azure Blob containers publicly readable. One incident exposed 150 million voter records because verbose API error messages revealed the storage URL structure, and no authentication was required.
Framework debug modes left enabled in production have caused numerous breaches. Django's DEBUG=True setting exposed complete stack traces with database queries and environment variables, while Laravel's debug pages revealed encryption keys through the APP_KEY variable in environment dumps.
Mitigation
- Generic error pages: Return uniform error messages to users; log detailed exceptions server-side only
- Disable debug modes: Enforce production configurations that suppress stack traces, verbose logging, and debug endpoints through deployment automation
- Access control audits: Restrict or remove development artifacts (
.git, backup files,phpinfo()) and internal endpoints before deployment - Response minimization: API responses should return only necessary fields; implement allowlists rather than blocklists for data exposure
- Security headers: Deploy
X-Content-Type-Options, remove server version banners, and disable directory indexing - Timing consistency: Ensure authentication and validation responses take uniform time regardless of input validity
Recent CVEs (68863)
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Osamaesh WP Visitor Statistics (Real Time Traffic).9.4. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The Ultimate Gift Cards for WooCommerce - Create, Redeem & Manage Digital Gift Certificates with Personalized Templates plugin for WordPress is vulnerable to Sensitive Information Exposure in all. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
djangorestframework-simplejwt version 5.3.1 and before is vulnerable to information disclosure. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
Buffer Overflow vulnerability in TOTOLink X5000R V9.1.0u.6118-B20201102 and A7000R V9.1.0u.6115-B20201022 allows a remote attacker to cause a denial of service (D0S) via the command field. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability in the legacy chat component of Mitel MiContact Center Business through 10.0.0.4 could allow an unauthenticated attacker to conduct an information disclosure attack due to improper. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The Social Media Share Buttons plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 2.1.0 via deserialization of untrusted input through the attachmentUrl. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Sewpafly Post Thumbnail Editor.4.8. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Elementor Pro.19.2. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Discourse is an open source platform for community discussion. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
Discourse is an open source platform for community discussion. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
CoreWCF is a port of the service side of Windows Communication Foundation (WCF) to .NET Core. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Improper Control of Dynamically-Managed Code Resources vulnerability in Logitech Logi Tune on MacOS allows Local Code Inclusion. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
gpac 2.3-DEV-rev921-g422b78ecf-master was discovered to contain an out of boundary read vulnerability via gf_dash_setup_period media_tools/dash_client.c:6374. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Cryptographic key vulnerability encoded in the FriendlyWrt firmware affecting version 2022-11-16.51b3d35. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
Information disclosure in persistent watchers handling in Apache ZooKeeper due to missing ACL check. Rated medium severity (CVSS 5.3), this vulnerability is low attack complexity. No vendor patch available.
A vulnerability has been found in Surya2Developer Hostel Management Service 1.0 and classified as problematic. Rated low severity (CVSS 3.7), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.
Zemana AntiLogger v2.74.204.664 is vulnerable to a Memory Information Leak vulnerability by triggering the 0x80002020 IOCTL code of the zam64.sys and zamguard64.sys drivers. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
Incorrect Pointer Scaling vulnerability in Mitsubishi Electric Corporation MELSEC-Q Series and MELSEC-L Series CPU modules allows a remote unauthenticated attacker to execute malicious code on a. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A user who can create objects in a database with plv8 3.2.1 installed is able to cause deferred triggers to execute as the Superuser during autovacuum. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
The affected product is vulnerable to a cleartext transmission of sensitive information vulnerability, which may allow an attacker to capture packets to craft their own requests. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
vantage6 is an open source framework built to enable, manage and deploy privacy enhancing technologies like Federated Learning and Multi-Party Computation. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
vantage6-UI is the official user interface for the vantage6 server. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Exposure of Resource to Wrong Sphere vulnerability could allow attackers to access resources from an unintended security context.
Db2 for IBM i 7.2, 7.3, 7.4, and 7.5 infrastructure could allow a local user to gain elevated privileges due to an unqualified library call. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
follow-redirects is an open source, drop-in replacement for Node's `http` and `https` modules that automatically follows redirects. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.
Information exposure through microarchitectural state after transient execution from some register files for some Intel(R) Atom(R) Processors may allow an authenticated user to potentially enable. Rated medium severity (CVSS 6.5), this vulnerability is low attack complexity. No vendor patch available.
Insufficient session timeout vulnerability in the FAST3686 V2 Vodafone router from Sagemcom. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Apache Airflow, versions 2.8.0 through 2.8.2, has a vulnerability that allows an authenticated user with limited permissions to access resources such as variables, connections, etc from the UI which. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, low attack complexity.
A malicious insider can uninstall Skyhigh Client Proxy without a valid uninstall password. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
User enumeration can occur in the Authentication REST API in Delinea PAM Secret Server 11.4. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
In Delinea PAM Secret Server 11.4, it is possible for an attacker (with Administrator access to the Secret Server machine) to read the following data from a memory dump: the decrypted master key,. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
This vulnerability potentially allows files on a PaperCut NG/MF server to be exposed using a specifically formed payload against the impacted API endpoint. Rated low severity (CVSS 3.1), this vulnerability is remotely exploitable. No vendor patch available.
Insecure key exchange between Delinea PAM Secret Server 11.4 and the Distributed Engine 8.4.3 allows a PAM administrator to obtain the Symmetric Key (used to encrypt RabbitMQ messages) via crafted. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Querybook is a Big Data Querying UI, combining collocated table metadata and a simple notebook interface. Rated high severity (CVSS 7.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
your_spotify is an open source, self hosted Spotify tracking dashboard. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
Improper cleanup in temporary file handling component in Devolutions Remote Desktop Manager 2024.1.12 and earlier on Windows allows an attacker that compromised a user endpoint, under specific. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
A vulnerability in the SSH client feature of Cisco IOS XR Software for Cisco 8000 Series Routers and Cisco Network Convergence System (NCS) 540 Series and 5700 Series Routers could allow an. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Dell PowerEdge Server BIOS and Dell Precision Rack BIOS contain an improper parameter initialization vulnerability. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
Dell PowerEdge Server BIOS and Dell Precision Rack BIOS contain an improper parameter initialization vulnerability. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
The MasterStudy LMS WordPress Plugin - for Online Courses and Education plugin for WordPress is vulnerable to Information Exposure in versions up to, and including, 3.2.10. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
The Post Grid, Slider & Carousel Ultimate - with Shortcode, Gutenberg Block & Elementor Widget plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.6.7. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. This Deserialization of Untrusted Data vulnerability could allow attackers to execute arbitrary code through malicious serialized objects.
In the Linux kernel, the following vulnerability has been resolved: mm: cachestat: fix folio read-after-free in cache walk In cachestat, we access the folio from the page cache's xarray to compute. Rated high severity (CVSS 7.1), this vulnerability is low attack complexity. Public exploit code available.
The Logo Showcase Ultimate - Logo Carousel, Logo Slider & Logo Grid plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.3.8 via deserialization via. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable. No vendor patch available.
The Product Carousel Slider & Grid Ultimate for WooCommerce plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.9.7 via deserialization of untrusted. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable. This Deserialization of Untrusted Data vulnerability could allow attackers to execute arbitrary code through malicious serialized objects.
The Play.ht - Make Your Blog Posts Accessible With Text to Speech Audio plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 3.6.4 via deserialization of. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The Avada | Website Builder For WordPress & WooCommerce theme for WordPress is vulnerable to Sensitive Information Exposure in versions up to and including 7.11.5 via the form entries page. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The WP Show Posts plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.1.4 via the wpsp_display function. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Incorrect Authorization vulnerability could allow attackers to bypass authorization checks to access restricted resources.
The Maintenance Page plugin for WordPress is vulnerable to Basic Information Exposure in all versions up to, and including, 1.0.8 via the REST API. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
The GenerateBlocks plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.8.2 via Query Loop. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. This Incorrect Authorization vulnerability could allow attackers to bypass authorization checks to access restricted resources.
The Simple Restrict plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.2.6 via the REST API. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
The Restrict User Access - Ultimate Membership & Content Protection plugin for WordPress is vulnerable to Information Exposure in all versions up to, and including, 2.5 via API. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
The Page Restriction WordPress (WP) - Protect WP Pages/Post plugin for WordPress is vulnerable to information disclosure in all versions up to, and including, 1.3.4. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
The Hustle - Email Marketing, Lead Generation, Optins, Popups plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 7.8.3 via hardcoded API Keys. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Insufficiently Protected Credentials vulnerability could allow attackers to obtain user credentials due to weak protection mechanisms.
Dell PowerEdge Server BIOS and Dell Precision Rack BIOS contain an Improper SMM communication buffer verification vulnerability. Rated high severity (CVSS 8.4), this vulnerability is low attack complexity. No vendor patch available.
In the Linux kernel, the following vulnerability has been resolved: nfsd: fix RELEASE_LOCKOWNER The test on so_count in nfsd4_release_lockowner() is nonsense and harmful. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
The primary channel is unprotected on Movistar 4G router affecting E version S_WLD71-T1_v2.0.201820. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A vulnerability was found in Quarkus. Rated low severity (CVSS 3.5), this vulnerability is remotely exploitable. No vendor patch available.
The Toyoko Inn official App for iOS versions prior to 1.13.0 and Toyoko Inn official App for Android versions prior 1.3.14 don't properly verify server certificates, which allows a man-in-the-middle. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
The disabling function of the user registration page for Heimavista Rpage and Epage is not properly implemented, allowing remote attackers to complete user registration on sites where user. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The Post Grid Combo - 36+ Gutenberg Blocks plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.2.68 via the 'get_posts' REST API Endpoint. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The Blossom Spa theme for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.3.3 via generated source. Rated medium severity (CVSS 5.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Directus is a real-time API and App dashboard for managing SQL database content. Rated low severity (CVSS 2.3), this vulnerability is low attack complexity. No vendor patch available.
Vela is a Pipeline Automation (CI/CD) framework built on Linux container technology written in Golang. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
aiosmtpd is a reimplementation of the Python stdlib smtpd.py based on asyncio. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
stimulus_reflex is a system to extend the capabilities of both Rails and Stimulus by intercepting user interactions and passing them to Rails over real-time websockets. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.
An information leak in the currentsetting.htm component of Netgear CBR40 2.5.0.28, Netgear CBK40 2.5.0.28, and Netgear CBK43 2.5.0.28 allows attackers to obtain sensitive information without any. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
An information leak in the debuginfo.htm component of Netgear CBR40 2.5.0.28, Netgear CBK40 2.5.0.28, and Netgear CBK43 2.5.0.28 allows attackers to obtain sensitive information without any. Rated medium severity (CVSS 5.4), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Outlook for Android Information Disclosure Vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Microsoft Office Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Windows Compressed Folder Tampering Vulnerability. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Windows Kernel Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Windows Kernel Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Windows Kernel Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Windows Kernel Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Windows Composite Image File System (CimFS) Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Visual Studio Code Elevation of Privilege Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Windows Cloud Files Mini Filter Driver Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Microsoft Teams for Android Information Disclosure Vulnerability. Rated medium severity (CVSS 5.0), this vulnerability is low attack complexity. No vendor patch available.
NTFS Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Windows USB Print Driver Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.0). No vendor patch available.
Windows Kernel Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.3), this vulnerability is low attack complexity. No vendor patch available.
Windows USB Print Driver Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Windows Telephony Server Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.0). No vendor patch available.
Windows Graphics Component Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Microsoft Windows SCSI Class System File Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Windows Print Spooler Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.0).
Windows Update Stack Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.0).
Windows USB Attached SCSI (UAS) Protocol Remote Code Execution Vulnerability. Rated medium severity (CVSS 6.4), this vulnerability is no authentication required. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Azure SDK Spoofing Vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Information exposure vulnerability in Badger Meter Monitool affecting versions up to 4.6.3 and earlier. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A vulnerability has been identified in SINEMA Remote Connect Client (All versions < V3.1 SP1). Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity.