CVE-2025-23589: Markugwuanyi Contentoptin Lite

High severity, CVSS 7.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in markugwuanyi ContentOptin Lite contentoptin allows Reflected XSS.This issue affects ContentOptin Lite: from n/a through <= 1.1.

Affected products

• Markugwuanyi Contentoptin Lite: up to and including 1.1

Published 2025-01-22. Last modified 2026-06-17.