CVE-2013-4305

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2013-10-11 · updated 2026-06-16
Weakness: CWE-79

Description

Cross-site scripting (XSS) vulnerability in contrib/example.php in the SyntaxHighlight GeSHi extension for MediaWiki, possibly as downloaded before September 2013, allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO.

Affected products

Wikimedia Foundation MediaWiki: 1.19.7, 1.20.6, 1.21.1

References

http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.html
http://osvdb.org/96909
http://seclists.org/oss-sec/2013/q3/553
https://bugzilla.wikimedia.org/show_bug.cgi?id=49070
https://exchange.xforce.ibmcloud.com/vulnerabilities/86890
http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.html
http://osvdb.org/96909
http://seclists.org/oss-sec/2013/q3/553
https://bugzilla.wikimedia.org/show_bug.cgi?id=49070
https://exchange.xforce.ibmcloud.com/vulnerabilities/86890

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