CVE-2025-53420: Vibethemes WordPress Learning Management System

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in VibeThemes WPLMS wplms_plugin allows Reflected XSS.This issue affects WPLMS: from n/a through <= 1.9.9.8.

Affected products

• Vibethemes WordPress Learning Management System: up to and including 1.9.9.8

Published 2025-10-22. Last modified 2026-10-08.