VULNERABILITY INTELLIGENCE
CVE-2026-39935
EPSS probability0.29%
CISA KEVNot currently listed
Published2026-04-07
Last modified2026-07-21
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.
Weakness classification
- c4f26cc8-17ff-4c99-b5e2-38fc1793eacc: CWE-79