XSS in MediaWiki
CVE-2015-2941
Cross-site scripting (XSS) vulnerability in MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM, allows remote attackers to inject arbitrary web script or HTML via an invalid parameter in a wddx format request to api.php, which is not properly handled in an error message, related to unsafe calls to wddx_serialize_value.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.021 (81.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.0% 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 1.20, 1.20.1, 1.20.2
Weakness classification (CWE)
References
- security.gentoo.org/glsa/201510-05 (vendor-advisory)
- phabricator.wikimedia.org/T85851 (Exploit)
- www.securityfocus.com/bid/73477 (vdb-entry)
- www.openwall.com/lists/oss-security/2015/04/07/3 (mailing-list)
- www.openwall.com/lists/oss-security/2015/04/01/1 (mailing-list)
- lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.html (Vendor Advisory, mailing-list, Patch)