Medium severity6.5NVD Advisory· Published Apr 2, 2026· Updated Apr 24, 2026

CVE-2026-34890

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

WordPress/Mstw League Managerinferred
Range: <=2.10
Package: https://wordpress.org/plugins/mstw-league-manager
Mark O’Donnell MSTW League Manager/MSTW League Managerllm-create
Range: <=2.10

Patches

Vulnerability mechanics

References

patchstack.com/database/wordpress/plugin/mstw-league-manager/vulnerability/wordpress-mstw-league-manager-plugin-2-10-cross-site-scripting-xss-vulnerabilitynvd

News mentions

Wordfence Intelligence Weekly WordPress Vulnerability Report (March 30, 2026 to April 5, 2026)
Wordfence Blog · Apr 9, 2026

cvss	0.423
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000