medium6.1
CVE-2023-37255
An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3.
Impact
An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. In Special:CheckUser, a check of the "get edits" type is vulnerable to HTML injection through the User-Agent HTTP request header.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mediawiki | Mediawiki | through 1.39.3 |