CVE catalog
CVE-2011-1766
mediawiki: CVE-2011-1766
- Severity
- Low
- Source
- [NVD] · [CVE record]
- EPSS
- 2.23% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | mediawiki | sid | 1:1.43.11+dfsg-3 | not affected |
| Debian | mediawiki | forky | 1:1.43.11+dfsg-1 | not affected |
| Debian | mediawiki | trixie | 1:1.43.9+dfsg-1~deb13u1 | not affected |
| Debian | mediawiki | trixie-security | 1:1.43.9+dfsg-1~deb13u1 | not affected |
| Debian | mediawiki | bookworm | 1:1.39.17-1+deb12u2 | not affected |
| Debian | mediawiki | bookworm-security | 1:1.39.17-1+deb12u2 | not affected |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | mediawiki | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | mediawiki | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | mediawiki | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | mediawiki | source | bookworm | Not affected | unimportant | Not reported | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [mediawiki]Unknown
Details (4)
1:1.39.17-1+deb12u2· all · bookwormNot affected
dsa · mediawiki · debian · bookworm
1:1.39.17-1+deb12u2· all · bookwormNot affected
dsa · mediawiki · debian · bookworm
1:1.39.17-1+deb12u2· all · bookworm-securityNot affected
dsa · mediawiki · debian · bookworm
1:1.39.17-1+deb12u2· all · bookworm-securityNot affected
dsa · mediawiki · debian · bookworm
- [mediawiki-classes]Unknown
Source package: [mediawiki]
Details (4)
1:1.39.17-1+deb12u2· all · bookwormNot affected
dsa · mediawiki · debian · bookworm
1:1.39.17-1+deb12u2· all · bookwormNot affected
dsa · mediawiki · debian · bookworm
1:1.39.17-1+deb12u2· all · bookworm-securityNot affected
dsa · mediawiki · debian · bookworm
1:1.39.17-1+deb12u2· all · bookworm-securityNot affected
dsa · mediawiki · debian · bookworm
Observed: