The Klaviyo WordPress plugin before 3.0.10 does not sanitize 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).
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Klavio | Klaviyo | * | 3.0.10 (excluding) |