CVE-2013-6455

MEDIUM 5.3CVE-2013-6455 · Published 28/01/2020 · updated 17/06/2026

In short

CVE-2013-6455 is a MEDIUM (CVSS 5.3) vulnerability affecting mediawiki (mediawiki).
Chance of exploitation in the next 30 days (EPSS): 1.1%, higher than 66.3% of all vulnerabilities.
Fix: update to 1.21.4, 1.22.1, 1.19.10 or later.

Package	Affected versions	Patched versions
mediawiki mediawiki	`≥ 1.20.0, < 1.21.4≥ 1.22.0, < 1.22.1< 1.19.10`	`1.21.41.22.11.19.10`

Description

The CentralAuth extension for MediaWiki before 1.19.10, 1.2x before 1.21.4, and 1.22.x before 1.22.1 allows remote attackers to obtain usernames via vectors related to writing the names to the DOM of a page.

References

lists.wikimedia.org/pipermail/mediawiki-announce/2014-January/000138.html · Vendor Advisory

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Package

Affected versions

Patched versions

mediawiki

≥ 1.20.0, < 1.21.4≥ 1.22.0, < 1.22.1< 1.19.10

1.21.41.22.11.19.10

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