CVE-2026-34890

| EUVD-2026-18204 MEDIUM
2026-04-02 Patchstack
6.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low

Lifecycle Timeline

3
Analysis Generated
Apr 02, 2026 - 13:15 vuln.today
EUVD ID Assigned
Apr 02, 2026 - 13:15 euvd
EUVD-2026-18204
CVE Published
Apr 02, 2026 - 12:58 nvd
MEDIUM 6.5

Tags

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Mark O’Donnell MSTW League Manager allows DOM-Based XSS.This issue affects MSTW League Manager: from n/a through 2.10.

Analysis

DOM-based cross-site scripting (XSS) in MSTW League Manager WordPress plugin through version 2.10 allows authenticated attackers to inject malicious scripts that execute in the context of other users' browsers, potentially stealing session tokens, modifying league data, or performing actions on behalf of victims. The vulnerability requires user interaction (UI:R) and affects the plugin across all versions up to 2.10.

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Priority Score

33
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +32
POC: 0

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CVE-2026-34890 vulnerability details – vuln.today

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