Simple Share Buttons Adder <= 8.4.11 - Authenticated(Administrator+) Stored Cross-Site Scripting via CSS Settings

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.

WordPress Simple Share Buttons Adder Plugin <= 8.4.7 is vulnerable to Cross Site Request Forgery (CSRF)

Cross-Site Request Forgery (CSRF) vulnerability in Simple Share Buttons Simple Share Buttons Adder plugin <= 8.4.7 versions.

The simple-share-buttons-adder plugin before 6.0.0 for WordPress has XSS.