What is the CVSS score of CVE-2026-6160?

CVE-2026-6160 has a CVSS 4.0 base score of 5.5 (Medium). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P. EPSS exploitation probability: 0.0%.

Is there a public PoC exploit available for CVE-2026-6160?

Yes, a public proof-of-concept exploit is available for CVE-2026-6160. Prioritise patching immediately. EPSS: 0.0%.

Simple Chatbox CVE-2026-6160

EUVD-2026-21853 MEDIUM

Insertion of Sensitive Information into Externally-Accessible File (CWE-538)

2026-04-13 VulDB

GHSA-r343-v546-p2ch

Information Disclosure Simple Chatbox Code Projects

5.5

CVSS 4.0 · NVD

View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

Access

Craft HTTP request to SimpleChatbox_PHP endpoint
Delivery

Trigger directory/file enumeration
Exploit

Retrieve sensitive path information
Execution

Enumerate database backup files
Persist

Extract schema/credentials
Impact

Plan secondary exploitation

Vulnerability Assessment

Weakness	CWE CWE-538 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V14 - Data Protection Sensitive file access control
Impact	CVSS 5.5 with vector AV:N/AC:L/PR:N indicates network-accessible attack requiring no privileges or user interaction; however, the limited scope (VC:L only, no integrity/availability impact) constrains severity. EPSS score unavailable from input, but public exploit availability and unauthenticated access vector elevate practical risk. The vulnerability is NOT actively exploited per KEV (no KEV status provided), but publicly available proof-of-concept code exists, enabling low-friction attacks by opportunistic threat actors. While not critical, the information disclosure poses meaningful risk for attack chain initiation-exposed database schemas, backup file paths, and directory listings directly enable SQL injection, authentication bypass, or privilege escalation attempts. This is a moderate-priority remediation candidate, particularly in exposed internet-facing instances.
Exploit ScenarioDerived	An unauthenticated remote attacker sends a crafted request to the SimpleChatbox_PHP endpoint, triggering file/directory enumeration that reveals internal paths, backup file locations, and database schema information. The attacker uses the exposed paths (e.g., database credentials or internal file structure) to launch secondary attacks such as SQL injection or direct database access. Public exploit code on GitHub (https://github.com/ahmadmarz10-hub/CVEsMarz) automates this reconnaissance, lowering the barrier to exploitation.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Apr 13, 2026

Remote file and directory information exposure in code-projects Simple ChatBox 1.0 allows unauthenticated attackers to disclose sensitive file paths and directory structures via manipulation of the SimpleChatbox_PHP endpoint. The vulnerability affects the chatbox.sql component and has publicly available exploit code; attackers can enumerate filesystem information without authentication or user interaction, creating risk for reconnaissance and secondary attack planning.

RemediationAI

Apply the latest security patch from code-projects (patch version not specified in available data; contact vendor at code-projects.org for availability). Immediate workarounds include implementing strict access controls on the SimpleChatbox_PHP endpoint (require authentication, validate/sanitize input, restrict file access), disabling or removing exposed SQL backup files (chatbox.sql), and deploying Web Application Firewall (WAF) rules to block path traversal and directory enumeration attempts targeting the endpoint. Review VulDB advisory at https://vuldb.com/vuln/357040 for detailed remediation guidance and subscribe to code-projects security notifications.

Affected VersionsENISA

Simple ChatBox 1.0

Affected Packages

euvd simple_chatbox no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Simple ChatBox 1.0 contains a directory/file information disclosure vulnerability (CWE-538) in its endpoint handler. The SimpleChatbox_PHP function processes requests to the chatbox.sql file without adequate access controls or information filtering. CWE-538 describes exposure of sensitive information through improper resource access controls, allowing attackers to enumerate and reveal internal file paths, directory structures, and potentially backup files (notably the .sql database backup referenced in the public exploit). The vulnerability is rooted in insufficient input validation and lack of access restrictions on the endpoint, enabling remote reconnaissance.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.5 MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Attack Requirements

None

Privileges Required

None

User Interaction

None

Vulnerable system: Confidentiality

Low

Vulnerable system: Integrity

None

Vulnerable system: Availability

None

Subsequent system: Confidentiality

None

Subsequent system: Integrity

None

Subsequent system: Availability

None

Lifecycle Timeline

PoC Detected

Apr 24, 2026 - 17:57 vuln.today

Public exploit code

CVSS changed

Apr 13, 2026 - 05:22 NVD

5.3 (MEDIUM) 5.5 (MEDIUM)

CVE Published

Apr 13, 2026 - 04:30 nvd

MEDIUM 5.5

DescriptionCVE.org

A vulnerability was found in code-projects Simple ChatBox 1.0. Affected by this issue is the function SimpleChatbox_PHP of the file chatbox.sql of the component Endpoint. Performing a manipulation results in file and directory information exposure. It is possible to initiate the attack remotely. The exploit has been made public and could be used.

Threat Intelligence Overview

EPSS Score

0.0%

Top 91% exploitable

Exploit

POC

Public exploit code exists

Social Media

Sightings

Data Quality

8 sources

Confidence: High

EUVD

NVD

CVE.org

EPSS

Vulnrichment CIRCL

GitHub

VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC Yes

EPSS 0.0%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation

Poc

System Exposure· derived

Open

Automatable

Yes

Human Impact· derived

Medium

Technical Impact

Partial

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +28

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.