Information Exposure Affecting mediawiki package, versions <1:1.19.8+dfsg-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
2.08% (80th percentile)

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  • Snyk IDSNYK-ECHOLATEST-MEDIAWIKI-20414189
  • published3 Oct 2026
  • disclosed27 Oct 2013

Introduced: 27 Oct 2013

CVE-2013-4301  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Echo:latest mediawiki to version 1:1.19.8+dfsg-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.

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.

CVSS Base Scores

version 3.1