Description
The CentralAuth extension for MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 caches a valid CentralAuthUser object in the centralauth_User cookie even when a user has not successfully logged in, which allows remote attackers to bypass authentication without a password.
Published: 2014-01-26
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2013-4198 The CentralAuth extension for MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 caches a valid CentralAuthUser object in the centralauth_User cookie even when a user has not successfully logged in, which allows remote attackers to bypass authentication without a password.
History

Mon, 14 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00564}

epss

{'score': 0.00299}


Subscriptions

Brion Vibber Centralauth Extension
Mediawiki Mediawiki
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T16:38:01.869Z

Reserved: 2013-06-12T00:00:00.000Z

Link: CVE-2013-4304

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2014-01-26T20:55:04.173

Modified: 2026-04-29T01:13:23.040

Link: CVE-2013-4304

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses