CVE-2026-103439
Various rawParams() and escaped() updates to prevent XSS in Wikibase extension
- State
- Published
- Severity
- 0.3 Low
- Published
- Sep 30, 2026
- Updated
- Sep 30, 2026
- Reserved
- Sep 30, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 0.3 Low | CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:P/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/S:N/AU:Y/R:U/V:D/RE:M/U:Amber | wikimedia-foundation |
Weaknesses
- CWE-80 Improper neutralization of Script-Related HTML tags in a web page (basic XSS)
Affected Products
| Product | Versions |
|---|---|
MediaWiki Wikbase extensionThe Wikimedia Foundation |
|
References
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