The Jetpack WordPress plugin before 14.1 does not properly checks the postmessage origin in its 13.x versions, allowing it to be bypassed and leading to DOM-XSS. The issue only affects websites hosted on WordPress.com.

The Jetpack WordPress plugin does not have proper authorisation in one of its REST endpoint, allowing any authenticated users, such as subscriber to read arbitrary feedbacks data sent via the Jetpack Contact Form

Missing Authorization vulnerability in Automattic Jetpack.This issue affects Jetpack: from n/a before 12.7.

The Jetpack – WP Security, Backup, Speed, & Growth plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's wpvideo shortcode in all versions up to, and including, 13.3.1 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 reCAPTCHA Jetpack WordPress plugin through 0.2.2 does not have CSRF check in some places, and is missing sanitisation as well as escaping, which could allow attackers to make logged-in admin add Stored XSS payloads via a CSRF attack.

The reCAPTCHA Jetpack WordPress plugin through 0.2.2 does not have CSRF check in place when updating its settings, which could allow attackers to make a logged in admin change them via a CSRF attack

Improper Restriction of Rendered UI Layers or Frames vulnerability in Automattic Jetpack allows Clickjacking.This issue affects Jetpack: from n/a before 12.7.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Automattic Jetpack – WP Security, Backup, Speed, & Growth allows Stored XSS.This issue affects Jetpack – WP Security, Backup, Speed, & Growth: from n/a through 12.8-a.1.

The Jetpack CRM plugin for WordPress is vulnerable to PHAR deserialization via the ‘zbscrmcsvimpf’ parameter in the 'zeroBSCRM_CSVImporterLitehtml_app' function in versions up to, and including, 5.3.1. While the function performs a nonce check, steps 2 and 3 of the check do not take any action upon a failed check. These steps then perform a 'file_exists' check on the value of 'zbscrmcsvimpf'. If a phar:// archive is supplied, its contents will be deserialized and an object injected in the execution stream. This allows an unauthenticated attacker to obtain object injection if they are able to upload a phar archive (for instance if the site supports image uploads) and then trick an administrator into performing an action, such as clicking a link.

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.