CVE-2026-39840 | Wikimedia Cargo Extension up to 3.8.6 on Mediawiki cross site scripting (EUVD-2026-19929)
A vulnerability classified as problematic was found in Wikimedia Cargo Extension up to 3.8.6 on Mediawiki. Affected by this issue is some unknown functionality. The manipulation results in cross site scripting.
This vulnerability is known as CVE-2026-39840. It is possible to launch the attack remotely. No exploit is available.
Upgrading the affected component is advised.