What’s Vulnerable › Vulnerabilities

CVE-2014-9478

• Severity: low (CVSS 2.6 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2015-01-16 · updated 2026-06-17
• Weakness: CWE-79

Description

Cross-site scripting (XSS) vulnerability in the preview in the ExpandTemplates extension for MediaWiki, when $wgRawHTML is set to true, allows remote attackers to inject arbitrary web script or HTML via the wpInput parameter to the Special:ExpandTemplates page.

Affected products

• Wikimedia Foundation MediaWiki: through 1.19.22; 1.20, 1.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.5 (+39)

References

• http://www.openwall.com/lists/oss-security/2014/12/21/2
• http://www.openwall.com/lists/oss-security/2015/01/03/13
• https://lists.wikimedia.org/pipermail/mediawiki-announce/2014-December/000173.html
• https://phabricator.wikimedia.org/T73111
• http://www.openwall.com/lists/oss-security/2014/12/21/2
• http://www.openwall.com/lists/oss-security/2015/01/03/13
• https://lists.wikimedia.org/pipermail/mediawiki-announce/2014-December/000173.html
• https://phabricator.wikimedia.org/T73111

Get alerted when CVE-2014-9478 or the next vulnerability affects your stack