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CVE-2025-62669

UserInfoCard: activeLocalBlocksAllWikis does not do permissions checks

MEDIUM
6.9
CVSS Score
Published: October 18, 2025 at 04:34 AM UTC
Updated: October 9, 2026 at 10:10 AM UTC
1 product affected across 1 vendorCentralAuth

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Severity
MEDIUM6.9
Exploit prediction
EPSS 0.5%
SSVC
PoC

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

CentralAuth· Wikimedia
90%
master ≤ v < 1.39master
Affected range stops below 1.39, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: cverecord
https://phabricator.wikimedia.org/T400892
Source: cverecord
https://gerrit.wikimedia.org/r/q/I15b14cbff28ba769e72e4d037306d2395e74ad85

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.9MEDIUMwikimedia-foundation
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-200

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