Description
MediaWiki 1.11, and other versions before 1.13.3, does not properly protect against the download of backups of deleted images, which might allow remote attackers to obtain sensitive information via requests for files in images/deleted/.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | mediawiki | 1:1.13.3-1 | — |
| Debian 13 | mediawiki | 1:1.13.3-1 | — |
| Debian 12 | mediawiki | 1:1.13.3-1 | — |
| Debian 5.0 | mediawiki | 1:1.12.0-2lenny2 | DTSA-186-1 |
Advisories 1
- DTSA-186-1 mediawiki - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- FEDORA-2008-11802 vendor-advisory
- [mediawiki-announce] 20081215 MediaWiki 1.13.3, 1.12.2, 1.6.11 security update mailing-list
- FEDORA-2008-11688 vendor-advisory
- mediawiki-images-info-disclosure(47678) vdb-entry
- 33349 third-party-advisory