What’s Vulnerable › Vulnerabilities

CVE-2025-23081: Various security vulnerabilities in Extension:DataTransfer

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-01-14 · updated 2026-06-17
• Weakness: CWE-79

Description

Cross-Site Request Forgery (CSRF), Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - DataTransfer Extension allows Cross Site Request Forgery, Cross-Site Scripting (XSS).This issue affects Mediawiki - DataTransfer Extension: from 1.39.X before 1.39.11, from 1.41.X before 1.41.3, from 1.42.X before 1.42.2.

Affected products

• Wikimedia Foundation Mediawiki - DataTransfer Extension: from 1.39.x before 1.39.11; from 1.41.x before 1.41.3; from 1.42.x before 1.42.2 — fixed in 1.39.11, 1.41.3, 1.42.2

How to fix

Upgrade to a fixed version: Wikimedia Foundation Mediawiki - DataTransfer Extension 1.39.11, 1.41.3, 1.42.2. Check the vendor advisory for mitigations.

References

• https://gerrit.wikimedia.org/r/c/mediawiki/extensions/DataTransfer/+/1080451
• https://gerrit.wikimedia.org/r/c/mediawiki/extensions/DataTransfer/+/1093931
• https://gerrit.wikimedia.org/r/q/I5e1538a3bf66378810f905834c05626e1d2c82f0
• https://gerrit.wikimedia.org/r/q/I773c616db781d2f3f30893ad01ef503bf251a2b3
• https://gerrit.wikimedia.org/r/q/I7c9de4c8dcdb3276ba923c6bc7c8eef3531324c7
• https://gerrit.wikimedia.org/r/q/I9223c31f02f31f1e06e1a8cddf7d539cc8d3a3d9
• https://phabricator.wikimedia.org/T379749

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