CVE-2013-4301

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2013-10-27 · updated 2026-06-16
Weakness: CWE-200

Description

includes/resourceloader/ResourceLoaderContext.php in MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 allows remote attackers to obtain sensitive information via a "<" (open angle bracket) character in the lang parameter to w/load.php, which reveals the installation path in an error message.

Affected products

Wikimedia Foundation MediaWiki: 1.19.0, 1.19.1, 1.19.2, 1.19.3, 1.19.4, 1.19.5 (+11)

References

http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.html
http://osvdb.org/96913
http://seclists.org/oss-sec/2013/q3/553
http://secunia.com/advisories/54715
https://bugzilla.wikimedia.org/show_bug.cgi?id=46332
https://exchange.xforce.ibmcloud.com/vulnerabilities/86895
https://www.mediawiki.org/wiki/Release_notes/1.19
https://www.mediawiki.org/wiki/Release_notes/1.20
https://www.mediawiki.org/wiki/Release_notes/1.21
http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.html
http://osvdb.org/96913
http://seclists.org/oss-sec/2013/q3/553

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