CVE-2025-11975
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
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-862 |
| Vendor | fusewp |
| Product | fusewp – wordpress user sync to email list & marketing automation (mailchimp, constant contact, activecampaign etc.) |
| Published | Oct 31, 2025 |
| Last Updated | Apr 8, 2026 |
Stay Ahead of the Next One
Get instant alerts for fusewp fusewp – wordpress user sync to email list & marketing automation (mailchimp, constant contact, activecampaign etc.)
Be the first to know when new medium vulnerabilities affecting fusewp fusewp – wordpress user sync to email list & marketing automation (mailchimp, constant contact, activecampaign etc.) are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
fusewp / FuseWP – WordPress User Sync to Email List & Marketing Automation (Mailchimp, Constant Contact, ActiveCampaign etc.)
0 ≤ 1.1.23.0
References
Credits
Jonas Benjamin Friedli