CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
What the vulnerability does
The FuseWP – WordPress User Sync to Email List & Marketing Automation (Mailchimp, Constant Contact, ActiveCampaign etc.) plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the save_changes() function in all versions up to, and including, 1.1.23.0. This makes it possible for unauthenticated attackers to add and edit sync rules.
Explanation of Vulnerability in Simple Terms
The FuseWP plugin for WordPress does not properly check user permissions before allowing certain actions. A logged-in user with low privileges can modify data they should not have access to. The vulnerability affects all versions up to 1.1.23.0. Site administrators should update the plugin to a version newer than 1.1.23.0 when available.
What an attacker can do
A low-privilege logged-in user can modify data they should not have permission to change.
Potential impact on your site
Unauthorized users could alter plugin settings, email list configurations, or marketing automation data tied to your email service integrations.
Conditions required to exploit
Attacker must have a low-privilege WordPress user account (e.g., subscriber or contributor role).
Key dates
External resources
