Jetpack 11.4 contains a cross-site scripting vulnerability in the contact form module that allows attackers to inject malicious scripts through the postid parameter. Attackers can craft malicious URLs with script payloads to execute arbitrary JavaScript in victims' browsers when they interact with the contact form page.

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.

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 plugin before 1.9 before 1.9.4, 2.0.x before 2.0.9, 2.1.x before 2.1.4, 2.2.x before 2.2.7, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.2, 2.6.x before 2.6.3, 2.7.x before 2.7.2, 2.8.x before 2.8.2, and 2.9.x before 2.9.3 for WordPress does not properly restrict access to the XML-RPC service, which allows remote attackers to bypass intended restrictions and publish posts via unspecified vectors. NOTE: some of these details are obtained from third party information.