Cross-site Scripting (XSS) Affecting mediawiki package, versions <1:1.19.2-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published3 Oct 2026
- disclosed26 Oct 2017
Introduced: 26 Oct 2017
CVE-2012-4377 (opens in a new tab)How to fix?
Upgrade Echo:latest mediawiki to version 1:1.19.2-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mediawiki package and not the mediawiki package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
Cross-site scripting (XSS) vulnerability in MediaWiki before 1.18.5 and 1.19.x before 1.19.2 allows remote attackers to inject arbitrary web script or HTML via a File: link to a nonexistent image.
References
- https://advisory.echohq.com/cve/CVE-2012-4377
- http://www.openwall.com/lists/oss-security/2012/08/31/10
- http://www.openwall.com/lists/oss-security/2012/08/31/6
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330
- https://bugzilla.redhat.com/show_bug.cgi?id=853409
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html
- https://phabricator.wikimedia.org/T41700