CVE-2025-11975

MEDIUM EPSS 8.8%

Published Oct 31, 20258mo ago · Modified Jun 17, 20262w ago

4.3 CVSS 3.1

Medium

Published Oct 31, 2025 8mo ago

Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score

4.3

Exploitability

2.8

Impact

1.4

Vector string

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack Vector Network

Attack Complexity Low

Privileges Required Low

User Interaction None

Scope Unchanged

Confidentiality None

Integrity Low

Availability None

Threat Intelligence

EPSS Exploit Probability

8.8% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-862 Missing Authorization Authorization

References 2

plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3383939/fusewp/trunk/src/core/src/Admin/SettingsPage/SyncPage.php
wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/6c68e8a1-926f-497f-b9f2-b0a67cd09adf?source=cve

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.