vulnerability
WordPress Plugin: user-sync: CVE-2025-9891: Cross-Site Request Forgery (CSRF)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:P/A:N) | Sep 16, 2025 | Sep 18, 2025 | Sep 18, 2025 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Sep 16, 2025
Added
Sep 18, 2025
Modified
Sep 18, 2025
Description
The User Sync – Remote User Sync plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0.2. This is due to missing or incorrect nonce validation on the mo_user_sync_form_handler() function. This makes it possible for unauthenticated attackers to deactivate the plugin via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Solution
user-sync-plugin-cve-2025-9891
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