CVE-2026-39841

| EUVD-2026-19931 MEDIUM
2026-04-07 wikimedia-foundation
6.3
CVSS 4.0
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CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/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
Low
User Interaction
P
Scope
X

Lifecycle Timeline

3
Analysis Generated
Apr 07, 2026 - 20:16 vuln.today
EUVD ID Assigned
Apr 07, 2026 - 20:16 euvd
EUVD-2026-19931
CVE Published
Apr 07, 2026 - 19:43 nvd
MEDIUM 6.3

Tags

XSS

Description

Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS.This issue affects Mediawiki - Cargo Extension: before 3.8.7.

Analysis

Stored XSS vulnerability in Wikimedia Cargo Extension before 3.8.7 allows authenticated users with page editing permissions to inject malicious scripts via improper neutralization of HTML script tags, enabling attackers to execute arbitrary JavaScript in the context of other users' browsers when stored content is viewed. The vulnerability requires user interaction (page view) and authenticated access but carries high scope impact on integrity and confidentiality through script injection in a collaborative wiki environment.

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Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +32
POC: 0

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CVE-2026-39841 vulnerability details – vuln.today
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