High severity · published Apr 20, 2017
CVE-2016-6331
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…
7.5
CVSS
2.1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
Mediawiki · Mediawiki
through 1.23.14; 1.26.0; 1.26.1; 1.26.2; 1.26.3; 1.26.4; +1 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-6331
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-6331
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1369613
Mailing List
https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.html
Patch
https://phabricator.wikimedia.org/T115333
More from Mediawiki
9.8
CVE-2026-58025
Remote Code Execution via Unsafe Deserialization in LogItem Import
9.8
CVE-2025-67484
Action API xslt option allows JavaScript execution by administrators who are not interface administrators
9.8
CVE-2024-34502
An issue was discovered in WikibaseLexeme in MediaWiki before 1.39.6, 1.40.x before 1.40.2, and 1.41.x before 1.41.1
9.8
CVE-2023-37303
An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3
9.8
CVE-2023-29141
An issue was discovered in MediaWiki before 1.35.10, 1.36.x through 1.38.x before 1.38.6, and 1.39.x before 1.39.3