CVE-2023-0733: Newsletter Popup Project Newsletter Popup

Medium severity, CVSS 6.1. EPSS: 0.5% chance of exploitation in the next 30 days.

The Newsletter Popup WordPress plugin through 1.2 does not sanitise and escape some of its settings, which could allow unauthenticated users to perform Stored Cross-Site Scripting attacks

Affected products

• Newsletter Popup Project Newsletter Popup: up to and including 1.2

Published 2023-05-30. Last modified 2026-06-17.