CVE-2012-4378

MEDIUM 6.1CVE-2012-4378 · Published 26/10/2017 · updated 16/06/2026

In short

CVE-2012-4378 is a MEDIUM (CVSS 6.1) vulnerability affecting mediawiki (mediawiki).
Chance of exploitation in the next 30 days (EPSS): 1.5%, higher than 75.1% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
mediawiki mediawiki	`= 1.19.0= 1.19.1≤ 1.18.4`	No fix yet

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.

References

openwall.com/lists/oss-security/2012/08/31/10 · Mailing List
openwall.com/lists/oss-security/2012/08/31/6 · Mailing List
bugs.debian.org/cgi-bin/bugreport.cgi · Issue Tracking
bugzilla.redhat.com/show_bug.cgi · Issue Tracking
lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html · Patch
phabricator.wikimedia.org/T39587 · Issue Tracking

More vulnerabilities in mediawiki

See all →

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free

Package

Affected versions

Patched versions

mediawiki

= 1.19.0= 1.19.1≤ 1.18.4

No fix yet

More vulnerabilities in mediawiki

See all →