CVE-2022-0479: Sygnoos Popup Builder

Critical severity, CVSS 9.8. EPSS: 43.8% chance of exploitation in the next 30 days.

The Popup Builder WordPress plugin before 4.1.1 does not sanitise and escape the sgpb-subscription-popup-id parameter before using it in a SQL statement in the All Subscribers admin dashboard, leading to a SQL injection, which could also be used to perform Reflected Cross-Site Scripting attack against a logged in admin opening a malicious link

Affected products

• Sygnoos Popup Builder: before 4.1.1 (fixed in 4.1.1)

Published 2022-03-28. Last modified 2026-06-17.