MediaWiki <=1.39.13, 1.43.3, 1.44.0 ParserSanitizer RCE
CVE-2025-67479 Published on February 3, 2026
Magic word replacement in legacy parser allows using reserved data attributes through wikitext
Vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation Cite. This vulnerability is associated with program files includes/Parser/CoreParserFunctions.Php, includes/Parser/Sanitizer.Php.
This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1; Cite: from * before 1.39.14, 1.43.4, 1.44.1.
Products Associated with CVE-2025-67479
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Affected Versions
Wikimedia Foundation MediaWiki:- Version * and below 1.39.14, 1.43.4, 1.44.1 is affected.
- Version * and below 1.39.14, 1.43.4, 1.44.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.