MediaWiki Version Compare XSS via Improper Escaping (1.39-1.43)
CVE-2025-32078 Published on April 11, 2025
XSSes and potential RCE in Special:VersionCompare
Improper Encoding or Escaping of Output vulnerability in The Wikimedia Foundation Mediawiki - Version Compare Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Version Compare Extension: from 1.39 through 1.43.
Weakness Type
What is an Output Sanitization Vulnerability?
The software prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.
CVE-2025-32078 has been classified to as an Output Sanitization vulnerability or weakness.
Products Associated with CVE-2025-32078
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Affected Versions
The Wikimedia Foundation Mediawiki - Version Compare Extension:- Version 1.39, <= 1.43 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.