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Vulnerability DatabaseCVE-2022-28202

CVE-2022-28202: 
NixOS vulnerability analysis and mitigation

Overview

An XSS (Cross-Site Scripting) vulnerability was discovered in MediaWiki before versions 1.35.6, 1.36.4, and 1.37.2. The vulnerability was identified in March 2022 and affects the widthheight, widthheightpage, and nbytes properties of messages which are not properly escaped when used in galleries or Special:RevisionDelete (Debian Security).

Technical details

The vulnerability stems from insufficient escaping of input text in specific MediaWiki properties (widthheight, widthheightpage, and nbytes) when used in galleries or Special:RevisionDelete. The issue has been assigned a CVSS 3 Severity Score of 6.1 (Medium) (Ubuntu Security).

Impact

The vulnerability could allow malicious users to perform cross-site-scripting (XSS) attacks against MediaWiki installations (Debian LTS).

Mitigation and workarounds

The vulnerability has been fixed in MediaWiki versions 1.35.6, 1.36.4, and 1.37.2. Various Linux distributions have released security updates to address this issue: Debian Bullseye users should upgrade to version 1:1.35.8-1~deb11u1, Debian Buster users should upgrade to version 1:1.31.16-1+deb10u3, and Fedora 36 users should upgrade to version 1.37.2-1.fc36 (Debian Security Announce, Fedora Update).

Additional resources

Source: This report was generated using AI

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