The Popup Builder WordPress plugin before 4.3.5 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).
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Popup Builder Plugin | — | Update popup-builder plugin to version 4.3.5, or a newer patched version | May 15, 2025 | Nov 21, 2024 |
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