Description (CNA)
The CheckUser extension’s Special:CheckUser interface is vulnerable to reflected XSS via the rev-deleted-user message. This message is rendered without proper escaping, making it possible to inject JavaScript through the uselang=x-xss language override mechanism. This issue affects Mediawiki - CheckUser extension: from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Wikimedia Foundation / Mediawiki - CheckUser extension | affected 1.42.x before 1.42.7; affected 1.43.x before 1.43.2 |
CWE
CWE-79
References
- https://phabricator.wikimedia.org/T394693
- https://gerrit.wikimedia.org/r/q/I159e14543912cb3bc7f4a00c3090c0285b154786
ADP enrichment
No English description supplied.