CVE-2011-1766

MediaWiki < 1.16.5 - Authentication Bypass via Cached User Data

Title source: llm
STIX 2.1

Description

includes/User.php in MediaWiki before 1.16.5, when wgBlockDisablesLogin is enabled, does not clear certain cached data after verification of an auth token fails, which allows remote attackers to bypass authentication by creating crafted wikiUserID and wikiUserName cookies, or by leveraging an unattended workstation.

References (8)

Core 8
Core References
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060496.html
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/44684
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/47722
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060435.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060507.html

Scores

EPSS 0.0033
EPSS Percentile 56.1%

Details

CWE
CWE-287
Status published
Products (42)
mediawiki/mediawiki 1.1.0
mediawiki/mediawiki 1.2.0
mediawiki/mediawiki 1.2.1
mediawiki/mediawiki 1.2.2
mediawiki/mediawiki 1.2.3
mediawiki/mediawiki 1.2.4
mediawiki/mediawiki 1.2.5
mediawiki/mediawiki 1.2.6
mediawiki/mediawiki 1.3
mediawiki/mediawiki 1.3.0
... and 32 more
Published May 23, 2011
Tracked Since Feb 18, 2026