GitHub Advisoryadvisory · Packagist

GHSA-rj9p-8jxj-2ch4 MediaWiki Cross-site Scripting (XSS) vulnerability

MEDIUM Published 2022-05-24 Modified 2024-05-17 Official page ↗
Aliases
CVE-2020-25812
Ecosystem
Packagist
Packages
mediawiki/core
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weaknesses
CWE-79
Reviewed
2024-05-17

Affected packages

• Packagist mediawiki/core: >= 1.34.0, < 1.34.3 → fixed in 1.34.3 • Packagist mediawiki/core: >= 1.35.0-rc.0, < 1.35.0 → fixed in 1.35.0

Description

An issue was discovered in MediaWiki 1.34.x before 1.34.3. On Special:Contributions, the NS filter uses unescaped messages as keys in the option key for an HTMLForm specifier. This is vulnerable to a mild XSS if one of those messages is changed to include raw HTML.

Related

Alias · CVE (1)

  • CVE-2020-25812 An issue was discovered in MediaWiki 1.34.x before 1.34.4. vulnerability

Weakness · CWE (1)

  • CWE-79 Improper Neutralization of Input During Web Page Generation weakness

References