Description
Cross-site scripting (XSS) vulnerability in MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM, allows remote attackers to inject arbitrary web script or HTML via an invalid parameter in a wddx format request to api.php, which is not properly handled in an error message, related to unsafe calls to wddx_serialize_value.
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 | 1:1.19.20+dfsg-2.3 | — |
| Debian 13 | mediawiki | 1:1.19.20+dfsg-2.3 | — |
| Debian 12 | mediawiki | 1:1.19.20+dfsg-2.3 | — |
References
- GLSA-201510-05 vendor-advisory
- https://phabricator.wikimedia.org/T85851
- 73477 vdb-entry
- [oss-security] 20150407 Re: CVE request: MediaWiki 1.24.2/1.23.9/1.19.24 mailing-list
- [oss-security] 20150331 CVE request: MediaWiki 1.24.2/1.23.9/1.19.24 mailing-list
- [MediaWiki-announce] 20150331 MediaWiki Security and Maintenance Releases: 1.19.24, 1.23.9, and 1.24.2 mailing-list