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Status published
Medium
CVE-2025-62669
UserInfoCard: activeLocalBlocksAllWikis does not do permissions checks
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- dom_walden
- mszabo
References
More from The Wikimedia Foundation
View All →CVE-2025-62702
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CVE-2025-62700
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CVE-2025-62699
Special:Translate tool does not use the correct IP and User-Agent in the CheckUser tool
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CVE-2025-62698
Stored XSS through system messages in ExternalGuidance
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Affected Vendor
The Wikimedia Foundation
View all reports →Affected Software
Mediawiki - CentralAuth Extension
Vulnerable Versions:
master
Timeline
Official Publish:
October 18th, 2025
Last Modified:
October 20th, 2025
Added to House:
July 22nd, 2026