What’s Vulnerable › Vulnerabilities

CVE-2025-62661: Do permission checking when getting counts of global and local edits, new articles and thanks

• Severity: medium (CVSS 6.9 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-21 · updated 2026-10-08
• Weakness: CWE-276

Description

Incorrect Default Permissions vulnerability in The Wikimedia Foundation Mediawiki - Thanks Extension, Mediawiki - Growth Experiments Extension allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects Mediawiki - Thanks Extension, Mediawiki - Growth Experiments Extension: from 1.43 before 1.44.

Affected products

• The Wikimedia Foundation Mediawiki - Thanks Extension, Mediawiki - Growth Experiments Extension: from 1.43 before 1.44 — fixed in 1.44

How to fix

Upgrade to a fixed version: The Wikimedia Foundation Mediawiki - Thanks Extension, Mediawiki - Growth Experiments Extension 1.44. Check the vendor advisory for mitigations.

References

• https://gerrit.wikimedia.org/r/q/Ia584966bb7d4d707eef50529293aa3d468470f18
• https://gerrit.wikimedia.org/r/q/Idbc1b5a288ffaa7074eedcbac066358a8ec649dc
• https://phabricator.wikimedia.org/T397497

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