CVE-2024-34500
Medium
Description
An issue was discovered in the UnlinkedWikibase extension in MediaWiki before 1.39.6, 1.40.x before 1.40.2, and 1.41.x before 1.41.1. XSS can occur through an interface message. Error messages (in the $err var) are not escaped before being passed to Html::rawElement() in the getError() function in the Hooks class.
SeverityMedium
CVSS6.1
Exploit probability—
Product
Mediawiki
PublishedMay 5, 2024
First seenMay 5, 2024
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- mediawiki mediawiki1.39.6, 1.40.2, 1.41.1 or later
- samwilson/unlinked-wikibase1.42.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mediawiki mediawiki | v < 1.39.6, 1.40.0 ≤ v < 1.40.2, 1.41.0 ≤ v < 1.41.1 | 1.39.6, 1.40.2, 1.41.1 |
| fedoraproject fedora | 40 | — |
| samwilson/unlinked-wikibasePackagist | v < 1.42.0 | 1.42.0 |
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