Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-31551
CVE-2021-31551:
NixOS vulnerability analysis and mitigation
Overview
A cross-site scripting (XSS) vulnerability was discovered in the PageForms extension for MediaWiki through version 1.35.2. The vulnerability allows attackers to execute malicious scripts through crafted payloads in Token-related query parameters on certain PageForms-managed MediaWiki pages (NVD Database).
Technical details
The vulnerability is classified as a cross-site scripting (XSS) issue, identified as CWE-79 (Improper Neutralization of Input During Web Page Generation). It has received a CVSS v3.1 Base Score of 6.1 (MEDIUM) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. The CVSS v2.0 Base Score is 4.3 (MEDIUM) with vector (AV:N/AC:M/Au:N/C:N/I:P/A:N) (NVD Database).
Impact
The vulnerability allows attackers to inject malicious scripts that execute in users' browsers when they visit affected PageForms-managed MediaWiki pages. This could lead to unauthorized access to user data, session hijacking, or other client-side attacks (NVD Database).
Mitigation and workarounds
Users should upgrade their MediaWiki PageForms extension to a version newer than 1.35.2 which contains the security fix (NVD Database).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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