PT-2026-29727 · Mark O'Donnell · Mstw League Manager

Published 2026-04-02 · Updated 2026-04-02 · CVE-2026-34890

NVD

CVSS v3.1

6.5

Medium

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

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.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-34890

Affected Products

Mstw League Manager

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-34890 · Security Note
• https://patchstack.com/database/wordpress/plugin/mstw-league-manager/vulnerability/wordpress-mstw-league-manager-plugin-2-10-cross-site-scripting-xss-vulnerability?_s_id=cve · Note