CVE-2023-6696: Sygnoos Popup Builder

High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days.

The Popup Builder – Create highly converting, mobile friendly marketing popups. plugin for WordPress is vulnerable to unauthorized access of functionality due to a missing capability check on several functions in all versions up to, and including, 4.3.1. While some functions contain a nonce check, the nonce can be obtained from the profile page of a logged-in user. This allows subscribers to perform several actions including deleting subscribers and perform blind Server-Side Request Forgery.

Affected products

• Sygnoos Popup Builder: before 4.3.2 (fixed in 4.3.2)

Published 2024-06-15. Last modified 2026-06-17.