VULNERABILITY INTELLIGENCE

CVE-2014-2242

CVSS score4.3 MEDIUM
EPSS probability2.44%
CISA KEVNot currently listed
Published2014-03-02
Last modified2026-06-17
CVSS vectorAV:N/AC:M/Au:N/C:N/I:P/A:N

Description

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.

Weakness classification

  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Primary references