CVE-2026-39936
Description
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.
CWE
- CWE-79 — CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')
Affected
- The Wikimedia Foundation / Mediawiki - Score Extension — v=1.43 [unaffected]; v=1.44 [unaffected]; v=1.45 [unaffected]; v=0 <1.43 [affected]
CVSS
- 4.0 score=6.9 severity=MEDIUM
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
References
- https://phabricator.wikimedia.org/T419186
- https://gerrit.wikimedia.org/r/q/I1fb2913bc32328cbc4ecd4b4ad4a4788fb98c56c
Source
cvelistV5-main/cves/2026/39xxx/CVE-2026-39936.json