The FuseWP – WordPress User Sync to Email List & Marketing Automation (Mailchimp, Constant Contact, ActiveCampaign
Source GCVE Database
Not known to be exploited · CVSS 4.3 Medium · fixed in 1.1.24 : update affected systems when convenient.
Data as of 29 Oct 2026, 23:27 UTC
- Patch
- Available – fixed in 1.1.24
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 31 Oct 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
AI-suggested
If you cannot patch yet, restricting access to the plugin's administrative functions and limiting exposure of the WordPress installation may reduce risk. Avoid granting unnecessary permissions to untrusted users.
Description
The FuseWP WordPress plugin for user synchronization with email marketing services is vulnerable to unauthorized data modification due to a missing capability check in the save_changes() function. This vulnerability affects all versions up to and including 1.1.23.0 and allows unauthenticated attackers to add or edit synchronization rules.