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.

Missing Authorization vulnerability in Wpexpertsio APIExperts Square for WooCommerce allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects APIExperts Square for WooCommerce: from n/a through 4.4.1.

Missing Authorization vulnerability in ILMDESIGNS Square Thumbnails allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Square Thumbnails: from n/a through 1.1.1.

Missing Authorization vulnerability in HashThemes Square allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Square: from n/a through 2.0.0.

The Payments Plugin and Checkout Plugin for WooCommerce: Stripe, PayPal, Square, Authorize.net plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 1.112.0. 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.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in L Squared Support L Squared Hub WP allows SQL Injection.This issue affects L Squared Hub WP: from n/a through 1.0.

Missing Authorization vulnerability in XSERVER Inc. TypeSquare Webfonts allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects TypeSquare Webfonts: from n/a through 2.0.7.

The Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request Forgery and Information disclosure due to missing capability checks and nonce protection on the _get_debug_log, _get_db_option, and the _set_db_option functions in versions up to, and including 2.4.2. Any WordPress plugin or theme running a version of Freemius less than 2.4.3 is vulnerable.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in WPExpertsio WPExperts Square For GiveWP allows SQL Injection.This issue affects WPExperts Square For GiveWP: from n/a through 1.3.