FuseWP – WordPress User Sync to Email List & Marketing Automation (Mailchimp, Constant Contact, ActiveCampaign etc.) <= 1.1.23.0 - Missing Authorization to Authenticated (Subscriber+) Sync Rule Creation
| CVE | CVE-2025-11975 |
|---|---|
| CVSS | 4.3 (Medium) |
| Publicly Published | October 30, 2025 |
| Last Updated | October 31, 2025 |
| Researcher |
Jonas Benjamin Friedli
|
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.
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Vulnerability Details for FuseWP – WordPress User Sync to Email List & Marketing Automation (Mailchimp, Constant Contact, ActiveCampaign etc.)
| Software Type | Plugin |
|---|---|
| Software Slug | fusewp (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 1.1.23.1, or a newer patched version |
| Affected Version |
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| Patched Version |
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Recent vulnerabilities in FuseWP – WordPress User Sync to Email List & Marketing Automation (Mailchimp, Constant Contact, ActiveCampaign etc.)
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