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CVE-2026-5582

MEDIUM 4.3 CVSS 3.1
Published
July 30, 2026
Last modified
July 31, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-352
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Description

The FuseWP plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.1.24.2. This is due to missing nonce verification on the toggle_sync_status() function. This makes it possible for unauthenticated attackers to toggle the status of sync rules (enable/disable) via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Affected WordPress components

  • FuseWP – WordPress User Sync to Email List & Marketing Automation (Mailchimp, Constant Contact, ActiveCampaign etc.) Plugin · fusewp
    Confirmed match Active
    Up to and including 1.1.24.2
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • fusewp FuseWP – WordPress User Sync to Email List & Marketing Automation (Mailchimp, Constant Contact, ActiveCampaign etc.) — Up to and including 1.1.24.2

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/fusewp/tags/1.1.24.2/src/core/src/AjaxHandler.php#L149
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/fusewp/trunk/src/core/src/AjaxHandler.php#L149
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3505110@fusewp/trunk/src/core/src/AjaxHandler.php&old=3172907@fusewp/trunk/src/core/src/AjaxHandler.php&sfp_email=&sfph_mail=
  • wordpress.org https://wordpress.org/plugins/fusewp/
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/1ff5889e-b9fd-494f-b25d-78e85e94d34c?source=cve
  • nvd.nist.gov Official NVD record