The Popup Builder WordPress plugin before 1.1.33 does not sanitise and escape some of its Notification fields, which could allow users such as contributor and above to perform Stored Cross-Site Scripting attacks.
CVSS 3.1MEDIUM 5.4·Network·Low privileges·User interaction·EPSS 0.00312·Published 2024-06-17·Fixed in 1.1.33CWE-79