Forms
CVE-2021-24505
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 5.4 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, user interaction required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application. |
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Alert meAnalysisAI
The Forms WordPress plugin before 1.12.3 did not sanitise its input fields, leading to Stored Cross-Site scripting issues. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. The Forms WordPress plugin before 1.12.3 did not sanitise its input fields, leading to Stored Cross-Site scripting issues. The plugin was vulnerable to an Authenticated Stored Cross-Site Scripting (XSS) vulnerability within the Forms "Add new" field. Affected products include: Madeit Forms. Version information: before 1.12.3.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
The Forms WordPress plugin before 1.12.3 did not sanitise its input fields, leading to Stored Cross-Site scripting issues. The plugin was vulnerable to an Authenticated Stored Cross-Site Scripting (XSS) vulnerability within the Forms "Add new" field.
Threat Intelligence Overview
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.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.
Affected Products (CPE)NVD
Unauthenticated remote takeover of Oracle Forms is possible in the Forms Services (C/S, Charmode) component of Oracle Fu
Stored cross-site scripting in the Forms WordPress plugin (versions before 3.0.2) allows an unauthenticated attacker to
Unauthenticated remote takeover of Oracle Forms is achievable through the Forms Services C/S Charmode component in versi
Unauthenticated remote attackers with HTTP reachability to the Oracle Forms Services listener can bypass authentication
Authentication bypass in Oracle Forms (Oracle Fusion Middleware) 12.2.1.19.0 and 14.1.2.0.0 lets an unauthenticated, net
Unrestricted network access to Oracle Forms 12.2.1.19.0 and 14.1.2.0.0 allows unauthenticated attackers to bypass authen
Full takeover of Oracle Forms 12.2.1.19.0 and 14.1.2.0.0 is achievable by an unauthenticated remote attacker exploiting
Umbraco Forms version 4.0.0 up to and including 8.7.5 and below are vulnerable to a security flaw that could lead to a r
Unauthenticated remote code execution in the Balbooa Forms extension for Joomla (versions before 2.4.3.4) lets a visitor
Improper authentication in the Oracle Forms Client/Server (C/S) Charmode runtime allows an unauthenticated, network-reac
Unauthenticated path traversal in Balbooa Forms (a Joomla extension) before 2.4.3.4 allows remote attackers to exfiltrat
Authentication bypass in Oracle Forms (component: Forms Services, C/S, Charmode) allows an unauthenticated remote attack
NVD
CVE.org
EPSS
GitHub PoC
Exploit-DB