Description
Cross-site scripting (XSS) vulnerability in Special:PasswordReset in MediaWiki before 1.19.16, 1.21.x before 1.21.10, and 1.22.x before 1.22.7, when wgRawHtml is enabled, allows remote attackers to inject arbitrary web script or HTML via an invalid username.
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 | 1:1.19.16+dfsg-1 | — |
| Debian 13 | mediawiki | 1:1.19.16+dfsg-1 | — |
| Debian 12 | mediawiki | 1:1.19.16+dfsg-1 | — |
| Debian 7 | mediawiki | 1:1.19.16+dfsg-0+deb7u1 | DSA-2957-1 |
Advisories 1
- DSA-2957-1 mediawiki - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- 58896 third-party-advisory
- 1030364 vdb-entry
- [oss-security] 20140604 Re: CVE request: mediawiki invalid usernames on Special:PasswordReset were parsed as wikitext mailing-list
- https://bugzilla.wikimedia.org/show_bug.cgi?id=65501
- [MediaWiki-announce] 20140529 MediaWiki Security and Maintenance Releases: 1.19.16, 1.21.10 and 1.22.7 mailing-list
- DSA-2957 vendor-advisory
- 67787 vdb-entry
- 58834 third-party-advisory