The Accept Donations with PayPal & Stripe plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the rf parameter in all versions up to, and including, 1.4.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

The Online Payments – Get Paid with PayPal, Square & Stripe plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcodes in all versions up to, and including, 3.20.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in vcita.com Online Payments – Get Paid with PayPal, Square & Stripe allows Stored XSS. This issue affects Online Payments – Get Paid with PayPal, Square & Stripe: from n/a through 3.20.0.

The Payment Button for PayPal plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wp_paypal_checkout' shortcode in all versions up to, and including, 1.2.3.35 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Checkout for PayPal plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'checkout_for_paypal' shortcode in all versions up to, and including, 1.0.32 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Missing Authorization vulnerability in iTechArt-Group PayPal Marketing Solutions allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects PayPal Marketing Solutions: from n/a through 1.2.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in bharatkambariya Donation Block For PayPal allows Stored XSS.This issue affects Donation Block For PayPal: from n/a through 2.2.0.

Missing Authorization vulnerability in Fullworks Quick Paypal Payments allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Quick Paypal Payments: from n/a through 5.7.25.

Missing Authorization vulnerability in PayPal PayPal Brasil para WooCommerce allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects PayPal Brasil para WooCommerce: from n/a through 1.4.2.

The Simple Ecommerce Shopping Cart Plugin- Sell products through Paypal plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on the 'save_settings', 'export_csv', and 'simpleecommcart-action' actions in all versions up to, and including, 3.1.2. This makes it possible for authenticated attackers, with subscriber-level access and above, to update the plugins settings and retrieve order and log data (which is also accessible to unauthenticated users).