The Button plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.1.28 via deserialization of untrusted input in the button_shortcode function. This makes it possible for authenticated attackers, with contributor-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Appscreo Easy Social Share Buttons allows Reflected XSS.This issue affects Easy Social Share Buttons: from n/a through 9.4.

Deserialization of Untrusted Data vulnerability in Social Media Share Buttons By Sygnoos Social Media Share Buttons.This issue affects Social Media Share Buttons: from n/a through 2.1.0.

The Standout Color Boxes and Buttons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'color-button' shortcode in all versions up to, and including, 0.7.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The GamiPress – Button plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'gamipress_button' shortcode in all versions up to, and including, 1.0.7 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Buttons Shortcode and Widget WordPress plugin through 1.16 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.

The Social Media Share Buttons plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 2.1.0 via deserialization of untrusted input through the attachmentUrl parameter. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

The Simple Share Buttons Adder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 8.4.11 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Cross-Site Request Forgery (CSRF) vulnerability in Scott Paterson Easy PayPal & Stripe Buy Now Button.This issue affects Easy PayPal & Stripe Buy Now Button: from n/a through 1.8.1.

The Easy PayPal & Stripe Buy Now Button plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.8.3 and in Contact Form 7 – PayPal & Stripe Add-on all versions up to, and including 2.1. This is due to missing or incorrect nonce validation on the 'wpecpp_stripe_connect_completion' function. This makes it possible for unauthenticated attackers to modify the plugins settings and chance the stripe connection via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.