Vulnerability · Published Oct 18, 2025 · Assigned by wikimedia-foundation

CVE-2025-62669UserInfoCard: activeLocalBlocksAllWikis does not do permissions checks

Medium 6.9

In plain English

A medium-severity information exposure in Mediawiki - CentralAuth Extension from The Wikimedia Foundation. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).

Severity (CVSS 4.0)6.9Medium
Exploit odds (30 days)0.5%top 56.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth Extension allows Resource Leak Exposure.This issue affects Mediawiki - CentralAuth Extension: from master before 1.39.

Affected products (as reported)

VendorProductVersions
The Wikimedia Foundation Mediawiki - CentralAuth Extension master – before 1.39

Weakness: CWE-200 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L

References