CVE-2013-4569

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-12-13 · updated 2026-06-16
Weakness: CWE-200

Description

The CleanChanges extension for MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3, when "Group changes by page in recent changes and watchlist" is enabled, allows remote attackers to obtain sensitive information (revision-deleted IPs) via the Recent Changes page.

Affected products

Wikimedia Foundation MediaWiki: through 1.19.8; 1.20, 1.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.5 (+16)

References

http://lists.fedoraproject.org/pipermail/package-announce/2013-December/122998.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-December/123011.html
http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-November/000135.html
https://bugzilla.wikimedia.org/show_bug.cgi?id=54294
http://lists.fedoraproject.org/pipermail/package-announce/2013-December/122998.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-December/123011.html
http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-November/000135.html
https://bugzilla.wikimedia.org/show_bug.cgi?id=54294

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