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Vulnerability DatabaseCVE-2021-42046
CVE-2021-42046:
NixOS vulnerability analysis and mitigation
Overview
An issue was discovered in the GlobalWatchlist extension in MediaWiki through version 1.36.2. The vulnerability was identified with CVE-2021-42046, where the rev-deleted-user and ntimes messages were not properly escaped, allowing users to inject HTML and JavaScript code (MITRE CVE).
Technical details
The vulnerability stems from improper escaping of the rev-deleted-user and ntimes messages in the GlobalWatchlist extension. This security flaw allows for HTML and JavaScript injection, which is a form of Cross-Site Scripting (XSS) vulnerability (MITRE CVE).
Impact
The vulnerability allows attackers to inject malicious HTML and JavaScript code through the rev-deleted-user and ntimes messages, potentially leading to cross-site scripting attacks against MediaWiki users (MITRE CVE).
Mitigation and workarounds
The issue has been addressed in subsequent versions of MediaWiki. Users are advised to upgrade their MediaWiki installations to a version newer than 1.36.2 (MITRE CVE).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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