Medium severity6.1NVD Advisory· Published Oct 26, 2017· Updated Jun 16, 2026

CVE-2012-4378

Description

Multiple cross-site scripting (XSS) vulnerabilities in MediaWiki before 1.18.5 and 1.19.x before 1.19.2, when unspecified JavaScript gadgets are used, allow remote attackers to inject arbitrary web script or HTML via the userlang parameter to w/index.php.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

MediaWiki/Mediawiki4 versions
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*range: <=1.18.4
- cpe:2.3:a:mediawiki:mediawiki:1.19.0:*:*:*:*:*:*:*
- cpe:2.3:a:mediawiki:mediawiki:1.19.1:*:*:*:*:*:*:*
- (no CPE)range: <1.18.5, <1.19.2

Patches

Vulnerability mechanics

References

www.openwall.com/lists/oss-security/2012/08/31/10nvdMailing ListPatchThird Party Advisory
www.openwall.com/lists/oss-security/2012/08/31/6nvdMailing ListPatchThird Party Advisory
bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.htmlnvdPatchVendor Advisory
phabricator.wikimedia.org/T39587nvdIssue TrackingPatchVendor Advisory
bugs.debian.org/cgi-bin/bugreport.cginvdIssue TrackingThird Party Advisory

News mentions

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cvss	0.397
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000