CVE-2026-103439
Various rawParams() and escaped() updates to prevent XSS in Wikibase extension
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Wikbase extension allows Cross-Site Scripting (XSS). This issue affects MediaWiki Wikbase extension: 1.46, 1.45, and 1.43.
| CWE | CWE-80 |
| Vendor | the wikimedia foundation |
| Product | mediawiki wikbase extension |
| Published | Sep 30, 2026 |
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Affected Versions
The Wikimedia Foundation / MediaWiki Wikbase extension
1.46 1.45 1.43