Medium severityNVD Advisory· Published Apr 7, 2026· Updated Apr 8, 2026

CVE-2026-39935

Description

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - CampaignEvents Extension allows Cross-Site Scripting (XSS). This issue was remediated only on the master branch.

Affected products

Wikimedia Foundation/Mediawiki Extensions Campaigneventsinferred

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

gerrit.wikimedia.org/r/c/1249320nvd
phabricator.wikimedia.org/T418254nvd

News mentions

No linked articles in our index yet.

cvss	0.260
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000