CVE-2026-100380
Reflected XSS in Wikibase Special:SetLabel language validation
- State
- Published
- Severity
- 5.3 Medium
- Published
- Sep 25, 2026
- Updated
- Sep 26, 2026
- Reserved
- Sep 25, 2026
Description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - Wikibase Extension allows Cross-Site Scripting (XSS).
This issue affects Mediawiki - Wikibase Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N | wikimedia-foundation |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
Mediawiki - Wikibase ExtensionWikimedia Foundation |
|
References
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