Description
includes/resourceloader/ResourceLoaderContext.php in MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 allows remote attackers to obtain sensitive information via a "<" (open angle bracket) character in the lang parameter to w/load.php, which reveals the installation path in an error message.
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 | 1:1.19.8+dfsg-1 | — |
| Debian 13 | mediawiki | 1:1.19.8+dfsg-1 | — |
| Debian 12 | mediawiki | 1:1.19.8+dfsg-1 | — |
References
- mediawiki-cve20134301-info-disclosure(86895) vdb-entry
- [oss-security] 20130904 Re: CVE request: MediaWiki Security Release: 1.21.2, 1.20.7 and 1.19.8 mailing-list
- 54715 third-party-advisory
- [MediaWiki-announce] 20130903 MediaWiki Security Release: 1.21.2, 1.20.7 and 1.19.8 mailing-list
- 96913 vdb-entry
- https://bugzilla.wikimedia.org/show_bug.cgi?id=46332
- https://www.mediawiki.org/wiki/Release_notes/1.19
- https://www.mediawiki.org/wiki/Release_notes/1.20
- https://www.mediawiki.org/wiki/Release_notes/1.21