CVE-2025-62669 MEDIUM

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

Vendor The Wikimedia Foundation
Product Mediawiki - CentralAuth Extension
Weakness CWE-200 · Info exposure
Published October 18, 2025
Last update October 20, 2025

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 18, 2025 CVE published
October 20, 2025 Record updated