Medium · 6.5 CVE-2026-34890 EUVD-2026-18204GHSA-6jgp-7rr8-ccg5

WordPress MSTW League Manager plugin <= 2.10 - Cross Site Scripting (XSS) vulnerability

Published Apr 2, 2026 · Updated Apr 2, 2026 · Assigned by Patchstack

Vendor: Mark O’Donnell Product: MSTW League Manager

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.

Affected products

Vendor	Product	Affected	Fixed
Mark O’Donnell	MSTW League Manager	≤ 2.10	—

References

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 vdb-entry