CSRF in MediaWiki
CVE-2014-5241
The JSONP endpoint in includes/api/ApiFormatJson.php in MediaWiki before 1.19.18, 1.20.x through 1.22.x before 1.22.9, and 1.23.x before 1.23.2 accepts certain long callback values and does not restrict the initial bytes of a JSONP response, which allows remote attackers to conduct cross-site request forgery (CSRF) attacks, and obtain sensitive information, via a crafted OBJECT element with SWF content consistent with a restricted character set.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 6.8 (Medium). Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.008 (56.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- MediaWiki — versions 1.19, 1.19.0, 1.19.1
Weakness classification (CWE)
References
- lists.wikimedia.org/pipermail/mediawiki-announce/2014-July/000157.html (mailing-list)
- www.debian.org/security/2014/dsa-3011 (vendor-advisory)
- www.mandriva.com/security/advisories (vendor-advisory)
- secunia.com/advisories/59738 (third-party-advisory)
- bugzilla.wikimedia.org/show_bug.cgi (Exploit, Patch, Vendor Advisory)
- openwall.com/lists/oss-security/2014/08/14/5 (mailing-list)
- advisories.mageia.org/MGASA-2014-0309.html