CVE-2026-39936
6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L
Summary
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Score Extension allows Cross-Site Scripting (XSS). The issue has been remediated on the master branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| The Wikimedia Foundation | Mediawiki - Score Extension | 1.43 | unaffected |
| The Wikimedia Foundation | Mediawiki - Score Extension | 1.44 | unaffected |
| The Wikimedia Foundation | Mediawiki - Score Extension | 1.45 | unaffected |
| The Wikimedia Foundation | Mediawiki - Score Extension | 0 < 1.43 | affected |
Weaknesses
- CWE-79: CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: yes
- Technical Impact: partial
Additional References
References
- https://phabricator.wikimedia.org/T419186
- https://gerrit.wikimedia.org/r/q/I1fb2913bc32328cbc4ecd4b4ad4a4788fb98c56c
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