Description
MediaWiki before 1.15.2 does not prevent wiki editors from linking to images from other web sites in wiki pages, which allows editors to obtain IP addresses and other information of wiki users by adding a link to an image on an attacker-controlled web site, aka "CSS validation issue."
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 | 1:1.15.2-1 | — |
| Debian 13 | mediawiki | 1:1.15.2-1 | — |
| Debian 12 | mediawiki | 1:1.15.2-1 | — |
| Debian 5.0 | mediawiki | 1:1.12.0-2lenny4 | DSA-2022-1 |
Advisories 1
- DSA-2022-1 mediawiki - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- 39656 third-party-advisory
- DSA-2022 vendor-advisory
- [MediaWiki-announce] 20100303 MediaWiki security update: 1.15.2 mailing-list
- SUSE-SR:2010:010 vendor-advisory
- ADV-2010-0685 vdb-entry
- 39022 third-party-advisory
- ADV-2010-1001 vdb-entry