Description
Cross-site scripting (XSS) vulnerability in the wikitext parser in MediaWiki 1.17.x before 1.17.3 and 1.18.x before 1.18.2 allows remote attackers to inject arbitrary web script or HTML via a crafted page with "forged strip item markers," as demonstrated using the CharInsert extension.
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 | 1:1.15.5-9 | — |
| Debian 13 | mediawiki | 1:1.15.5-9 | — |
| Debian 12 | mediawiki | 1:1.15.5-9 | — |
References
- [oss-security] 20120323 CVEs for MediaWiki security and maintenance release 1.18.2 mailing-list
- [MediaWiki-announce] 20120322 MediaWiki security and maintenance release 1.18.2 mailing-list
- 48504 third-party-advisory
- https://bugzilla.wikimedia.org/show_bug.cgi?id=35315
- 80363 vdb-entry
- [MediaWiki-announce] 20120322 MediaWiki security and maintenance release 1.17.3 mailing-list
- mediawiki-wikitext-xss(74288) vdb-entry
- [oss-security] 20120322 MediaWiki security and maintenance release 1.18.2 mailing-list
- 52689 vdb-entry