The Popup Builder WordPress plugin before 4.2.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Popup_builder | Sygnoos | * | 4.1.15 (including) |