XSS in MediaWiki
CVE-2014-2242
includes/upload/UploadBase.php in MediaWiki before 1.19.12, 1.20.x and 1.21.x before 1.21.6, and 1.22.x before 1.22.3 does not prevent use of invalid namespaces in SVG files, which allows remote attackers to conduct cross-site scripting (XSS) attacks via an SVG upload, as demonstrated by use of a W3C XHTML namespace in conjunction with an IFRAME element.
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: 0.024 (83.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.024 · change: -0.000
Affected products
- MediaWiki — versions 1.1.0, 1.10.0, 1.10.1
Weakness classification (CWE)
References
- www.securityfocus.com/bid/65910 (vdb-entry)
- openwall.com/lists/oss-security/2014/02/28/1 (mailing-list)
- gerrit.wikimedia.org/r/
- lists.wikimedia.org/pipermail/mediawiki-announce/2014-February/000141.html (Vendor Advisory, mailing-list, Patch)
- bugzilla.wikimedia.org/show_bug.cgi (Vendor Advisory)
- openwall.com/lists/oss-security/2014/03/01/2 (mailing-list)
- bugzilla.redhat.com/show_bug.cgi