CVE-2026-39840
5.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Summary
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Wikimedia Foundation Mediawiki - Cargo Extension allows XSS Targeting Non-Script Elements.This issue affects Mediawiki - Cargo Extension: before 3.8.7.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - Cargo Extension | 0 < 3.8.7 | 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: no
- Technical Impact: partial
References
- https://phabricator.wikimedia.org/T416368
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1237966
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