What’s Vulnerable › Vulnerabilities

CVE-2014-9476

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2015-01-16 · updated 2026-06-17
• Weakness: CWE-264

Description

MediaWiki 1.2x before 1.22.15, 1.23.x before 1.23.8, and 1.24.x before 1.24.1 allows remote attackers to bypass CORS restrictions in $wgCrossSiteAJAXdomains via a domain that has a partial match to an allowed origin, as demonstrated by "http://en.wikipedia.org.evilsite.example/."

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.mandriva.com/security/advisories?name=MDVSA-2015:006
• 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/T77028
• http://www.mandriva.com/security/advisories?name=MDVSA-2015:006
• 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/T77028

Get alerted when CVE-2014-9476 or the next vulnerability affects your stack