CVE-2026-39935EPSS p37.3%

CVE-2026-39935CVE-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.

Scoring

EPSS0.45% probability of exploitation · percentile 37.3% · 2026-10-06T12:00:23Z
Last modified2026-07-21
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.