Centralauth Extension
CVE-2013-4304
HIGH
Severity by source
AV:N/AC:L/Au:N/C:P/I:P/A:P
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Lifecycle Timeline
1DescriptionCVE.org
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.
AnalysisAI
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. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.
Technical ContextAI
This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. 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. Affected products include: Brion Vibber Centralauth Extension, Mediawiki. Version information: before 1.19.8.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.
Same weakness CWE-287 – Improper Authentication
View allSame technique Authentication Bypass
View allShare
External POC / Exploit Code
Leaving vuln.today