The Easy PayPal Buy Now Button WordPress plugin before 1.7.4 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 |
|---|---|---|---|
| Easy_paypal_buy_now_button | Wpplugin | * | 1.7.4 (excluding) |