EUVD-2026-19927

| CVE-2026-39837 MEDIUM
2026-04-07 wikimedia-foundation GHSA-6m53-gpj2-w66j
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-2026-19927
CVE Published
Apr 07, 2026 - 19:47 nvd
MEDIUM 6.3

Tags

XSS

Description

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

Analysis

Stored cross-site scripting (XSS) in the Mediawiki Cargo Extension before version 3.8.7 allows authenticated users to inject malicious scripts via improper neutralization of HTML tags, enabling persistent client-side attacks against other users viewing affected content. The vulnerability requires user interaction (page view) but grants attackers the ability to modify page content and session information for victims, with CVSS 6.3 reflecting medium severity and EPSS exploitation probability not independently confirmed from available data.

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Priority Score

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

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EUVD-2026-19927 vulnerability details – vuln.today
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