Description
The FuseWP – WordPress User Sync to Email List & Marketing Automation (Mailchimp, Constant Contact, ActiveCampaign etc.) plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.1.23.0. This is due to missing or incorrect nonce validation on the save_changes function. This makes it possible for unauthenticated attackers to add or edit sync rules via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Published: 2025-10-25
Score: 4.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Cross‑Site Request Forgery allowing unauthorized creation or modification of email sync rules
Action: Immediate Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 27 Oct 2025 22:30:00 +0000

Type Values Removed Values Added
First Time appeared Fusewp
Fusewp fusewp
Wordpress
Wordpress wordpress
Vendors & Products Fusewp
Fusewp fusewp
Wordpress
Wordpress wordpress

Mon, 27 Oct 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sat, 25 Oct 2025 07:00:00 +0000

Type Values Removed Values Added
Description The FuseWP – WordPress User Sync to Email List & Marketing Automation (Mailchimp, Constant Contact, ActiveCampaign etc.) plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.1.23.0. This is due to missing or incorrect nonce validation on the save_changes function. This makes it possible for unauthenticated attackers to add or edit sync rules via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Title FuseWP – WordPress User Sync to Email List & Marketing Automation (Mailchimp, Constant Contact, ActiveCampaign etc.) <= 1.1.23.0 - Cross-Site Request Forgery to Sync Rule Creation
Weaknesses CWE-352
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N'}


Subscriptions

Fusewp Fusewp
Wordpress Wordpress
cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-04-08T17:29:54.970Z

Reserved: 2025-10-20T16:07:42.381Z

Link: CVE-2025-11976

cve-icon Vulnrichment

Updated: 2025-10-27T15:32:55.290Z

cve-icon NVD

Status : Deferred

Published: 2025-10-25T07:15:40.737

Modified: 2026-04-15T00:35:42.020

Link: CVE-2025-11976

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-22T06:15:10Z

Weaknesses