CVE-2025-9891
BaseFortify
Publication date: 2025-09-17
Last updated on: 2025-09-17
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| miniorange | user_sync | 1.0.2 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-352 | The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Cross-Site Request Forgery (CSRF) issue in the User Sync – Remote User Sync plugin for WordPress, affecting all versions up to and including 1.0.2. It occurs because the plugin's mo_user_sync_form_handler() function lacks proper nonce validation, allowing an attacker to trick a site administrator into performing an action, such as clicking a malicious link, which can deactivate the plugin without the administrator's intent.
How can this vulnerability impact me? :
An attacker can exploit this vulnerability to deactivate the User Sync plugin on a WordPress site by tricking an administrator into clicking a malicious link. This could disrupt user synchronization functionality, potentially affecting site operations that rely on this plugin.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, update the User Sync – Remote User Sync plugin to a version later than 1.0.2 where the nonce validation issue is fixed. Additionally, avoid clicking on suspicious links and ensure that site administrators are aware of the risk of Cross-Site Request Forgery attacks targeting this plugin.