What the vulnerability does
01Description
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.
Explanation of Vulnerability in Simple Terms
02Summary
Jetpack versions up to 13.3.1 contain a stored cross-site scripting (XSS) vulnerability that allows authenticated users with low privileges to inject malicious scripts. The vulnerability has scope change, meaning injected code can affect other users and site functionality. An attacker needs a valid WordPress account to exploit this flaw.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that execute in other users' browsers and affect site functionality.
Potential impact on your site
04Site Impact
Compromised user accounts, defaced content, or malware distribution to site visitors if an authenticated attacker injects malicious code.
Conditions required to exploit
05Prerequisites
Attacker must have a valid WordPress user account with low-level privileges (e.g., subscriber or contributor role).
Key dates
06Disclosure timeline
May 14, 2024
CVE published
April 8, 2026
Record updated
