Information disclosure in MediaWiki - CVE-2013-6455
Published: January 28, 2020 / Updated: July 17, 2020
Vulnerability identifier: #VU30401
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-6455
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The CentralAuth extension for MediaWiki before 1.19.10, 1.2x before 1.21.4, and 1.22.x before 1.22.1 allows remote attackers to obtain usernames via vectors related to writing the names to the DOM of a page.
Affected software
MediaWiki
How to mitigate CVE-2013-6455
Install update from vendor's website.
MediaWiki - update to 1.22.1