CVE-2023-6000: Sygnoos Popup Builder

Medium severity, CVSS 6.1. EPSS: 2% chance of exploitation in the next 30 days.

The Popup Builder WordPress plugin before 4.2.3 does not prevent simple visitors from updating existing popups, and injecting raw JavaScript in them, which could lead to Stored XSS attacks.

Affected products

• Sygnoos Popup Builder: before 4.2.3 (fixed in 4.2.3)

Published 2024-01-01. Last modified 2026-06-17.