The Donation Block For PayPal WordPress plugin before 2.1.0 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Donation_block_for_paypal | Donation_block_for_paypal_project | * | 2.1.0 (excluding) |