The 'wpajaxboostproxyig' action allows administrators to make GET requests to arbitrary URLs.

The Jetpack WordPress plugin before 12.1.1 does not validate uploaded files, allowing users with author roles or above to manipulate existing files on the site, deleting arbitrary files, and in rare cases achieve Remote Code Execution via phar deserialization.

SQL injection vulnerability in modules/sharedaddy.php in the Jetpack plugin for WordPress allows remote attackers to execute arbitrary SQL commands via the id parameter.

The Jetpack plugin before 4.0.3 for WordPress has XSS via a crafted Vimeo link.

The Jetpack plugin before 4.0.4 for WordPress has XSS via the Likes module.

The Jetpack plugin before 3.4.3 for WordPress has XSS via addqueryarg() and removequeryarg().

The Jetpack WordPress plugin before 13.8, Jetpack Boost WordPress plugin before 3.4.8 use regexes in the Site Accelerator features when switching image URLs to their CDN counterpart. Unfortunately, some of them may match patterns it shouldn’t, ultimately making it possible for contributor and above users to perform Stored XSS attacks

The Jetpack WordPress plugin before 13.8 does not ensure that the post created by the Contact Form is only accessible to authorised users, which could allow unauthenticated users to run arbitrary shortcodes and block.