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

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