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Vulnerabilities and Security Researches

FuseWP – WordPress User Sync to Email List & Marketing Automation (Mailchimp, Constant Contact, ActiveCampaign etc.), CVE-2025-11975

CVE, Research URL

CVE-2025-11975

Published on
Oct 31, 2025
Research Description
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.
Affected versions
max 1.1.23.1.
Status
vulnerable