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CVE-2013-4304

7.5 · HIGH

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 ha…

Published Jan 26, 2014brion_vibberCWE-287EPSS 2.08%

Overview

CVE-2013-4304 is a high-severity vulnerability affecting brion_vibber centralauth_extension. It was published on January 26, 2014 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from brion_vibber. Update centralauth_extension to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Reflists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.htmlRefosvdb.org/96910Refseclists.org/oss-sec/2013/q3/553Refsecunia.com/advisories/54723Refbugzilla.wikimedia.org/show_bug.cgi?id=52338Refexchange.xforce.ibmcloud.com/vulnerabilities/86894Reflists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.htmlRefosvdb.org/96910Refseclists.org/oss-sec/2013/q3/553Refsecunia.com/advisories/54723

How CyberStrike helps

Frequently asked questions

What is CVE-2013-4304?

CVE-2013-4304 is a high-severity vulnerability affecting brion_vibber centralauth_extension. It was published on January 26, 2014 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2013-4304?

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2013-4304?

Check the references section for vendor advisories and patches from brion_vibber. Update centralauth_extension to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2013-4304?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-4304 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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