Medium severity4.3NVD Advisory· Published Sep 17, 2025· Updated Jun 17, 2026
CVE-2025-9891
CVE-2025-9891
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.
AI Insight
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Affected products
2<=1.0.2+ 1 more
- (no CPE)range: <=1.0.2
- (no CPE)range: <=1.0.2
Patches
Vulnerability mechanics
References
3News mentions
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