The Donations via PayPal WordPress plugin before 1.9.9 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 |
|---|---|---|---|
| Donations_via_paypal | Tipsandtricks-hq | * | 1.9.9 (excluding) |