CVE-2025-24660: Wp.insider Simple Membership Custom Messages

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 wp.insider Simple Membership Custom Messages simple-membership-custom-messages allows Reflected XSS.This issue affects Simple Membership Custom Messages: from n/a through <= 2.4.

Affected products

• Wp.insider Simple Membership Custom Messages: up to and including 2.4

Published 2025-02-03. Last modified 2026-06-17.