CVE-2026-39935

| EUVD-2026-19980 MEDIUM
2026-04-07 wikimedia-foundation
6.9
CVSS 4.0
Share

CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

3
EUVD ID Assigned
Apr 07, 2026 - 23:00 euvd
EUVD-2026-19980
Analysis Generated
Apr 07, 2026 - 23:00 vuln.today
CVE Published
Apr 07, 2026 - 22:04 nvd
MEDIUM 6.9

Tags

XSS

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 affects Mediawiki - CampaignEvents Extension: 1.43.7, 1.44.4, 1.45.2.

Analysis

Improper input neutralization in Mediawiki CampaignEvents Extension versions 1.43.7, 1.44.4, and 1.45.2 allows unauthenticated remote attackers to inject and execute arbitrary JavaScript in user browsers via cross-site scripting (XSS). The vulnerability affects web page generation with a CVSS 4.0 base score of 6.9, indicating low confidentiality, integrity, and availability impact across both changed and unchanged security scopes.

Sign in for full analysis, threat intelligence, and remediation guidance.

Full analysis requires sign-in

Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

Sign in - Free

Priority Score

35
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +34
POC: 0

Share

CVE-2026-39935 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy