Vulnerability in MediaWiki
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 api.php.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.021 (81.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- MediaWiki — versions 1.26.0, 1.26.1, 1.26.2
Weakness classification (CWE)
References
- lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.html (Vendor Advisory, mailing-list, Patch, Mailing List)
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking)
- phabricator.wikimedia.org/T115333 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-6331?
- CVE-2016-6331 is a high-severity vulnerability in MediaWiki, classified under Improper Access Control. CVSS score: 7.5/10. Published 2017-04-20.
- How severe is CVE-2016-6331?
- High severity. CVSS v3 base score is 7.5 out of 10.