Improper access control in MediaWiki - CVE-2016-6331
Published: April 20, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU39167
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-6331
CWE-ID: CWE-284
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.
ApiParse in MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows remote attackers to bypass intended per-title read restrictions via a parse action to api.php.
Affected software
MediaWiki
Fedora
mediawiki
Fedora
mediawiki
How to mitigate CVE-2016-6331
Install update from vendor's website.
mediawiki - addressed in versions 1.26.4-1.fc23, 1.26.4-1.fc24, 1.27.1-1.fc25