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CVE-2011-1766

N/A

Published: May 23, 2011 at 10:00 PM UTC

Updated: June 16, 2026 at 11:29 PM UTC

1 product affected across 1 vendorMediaWiki

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Severity

N/A

Exploit prediction

EPSS 2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

MediaWiki · Mediawiki

95%

v ≤ 1.16.41.1.0 1.10.0 1.10.0 rc1 1.10.0 rc2 1.10.1 1.10.2 1.10.3 1.10.4 1.11 1.11.0 1.11.0 rc1 1.11.1 1.11.2 1.12.0 1.12.0 rc1 1.12.1 1.12.2 1.12.3 1.12.4 1.13.0 1.13.0 rc1 1.13.0 rc2 1.13.1 1.13.2 1.13.3 1.13.4 1.14.0 1.14.0 rc1 1.14.1 1.15.0 1.15.0 rc1 1.15.1 1.15.2 1.15.3 1.15.4 1.15.5 1.16.0 1.16.0 beta1 1.16.0 beta2 1.16.1 1.16.2 1.16.3 1.2.0 1.2.1 1.2.2 1.2.3 1.2.4 1.2.5 1.2.6 1.3 1.3.0 1.3.1 1.3.10 1.3.11 1.3.12 1.3.13 1.3.14 1.3.15 1.3.2 1.3.3 1.3.4 1.3.5 1.3.6 1.3.7 1.3.8 1.3.91.4 beta11.4 beta21.4 beta31.4 beta41.4 beta51.4 beta61.4.0 1.4.1 1.4.10 1.4.11 1.4.12 1.4.13 1.4.14 1.4.2 1.4.3 1.4.4 1.4.5 1.4.6 1.4.7 1.4.8 1.4.91.5 alpha11.5 alpha21.5 beta11.5 beta21.5 beta31.5 beta41.5 rc21.5 rc31.5 rc41.5.0 1.5.1 1.5.2 1.5.3 1.5.4 1.5.5 1.5.6 1.5.7 1.5.8 1.6.0 1.6.1 1.6.10 1.6.11 1.6.12 1.6.2 1.6.3 1.6.4 1.6.5 1.6.6 1.6.7 1.6.8 1.6.9 1.7.0 1.7.1 1.7.2 1.7.3 1.8.0 1.8.1 1.8.2 1.8.3 1.8.4 1.8.5 1.9.0 1.9.0 rc2 1.9.1 1.9.2 1.9.3 1.9.4 1.9.5 1.9.6

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (8)

Vendor Advisoryx_refsource_FEDORA

Source: [email protected]

http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060435.html

Vendor Advisoryx_refsource_FEDORA

Source: [email protected]

http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060496.html

Vendor Advisoryx_refsource_FEDORA

Source: [email protected]

http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060507.html

Mailing Listx_refsource_MLISTPatch

Source: [email protected]

http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-May/000098.html

Third Party Advisoryx_refsource_SECUNIA

Source: [email protected]

http://secunia.com/advisories/44684

VDB Entryx_refsource_BID

Source: [email protected]

http://www.securityfocus.com/bid/47722

x_refsource_CONFIRMPatch

Source: [email protected]

https://bugzilla.redhat.com/show_bug.cgi?id=702512

x_refsource_CONFIRMPatch

Source: [email protected]

https://bugzilla.wikimedia.org/show_bug.cgi?id=28639

CVSS

5.8MEDIUM[email protected]

Confidentiality: PARTIAL
Integrity: PARTIAL
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-287

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