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4.3
CVE-2025-9887: WordPress Custom Login Plugin Allows Unwanted Changes to Settings
CVE-2025-9887 · published 1 year ago
Summary
The Custom Login And Signup Widget plugin for WordPress has a security flaw that lets attackers trick site owners into changing email and username settings without permission. This happens when a user clicks on a malicious link. To fix the issue, update the plugin to a version that is not vulnerable.
Original advisory text
The Custom Login And Signup Widget plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0. This is due to missing or incorrect nonce validation i...
The Custom Login And Signup Widget plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0. This is due to missing or incorrect nonce validation in the /frndzk_adminclsw.php file. This makes it possible for unauthenticated attackers to change the email and username settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker partial control
Type
CWE-352Cross-Site Request Forgery (CSRF)
Timeline
Published20 Sep 2025
Updated3 Nov 2026
First seen7 Mar 2026
Sources
CVE-2025-9887 · NVD
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