Cross-Site Request Forgery Vulnerability in WordPress Custom Login and Signup Widget
CVE-2025-9887

4.3MEDIUM

Key Information:

Vendor

WordPress
Status
Custom Login And Signup Widget
Vendor
CVE Published:
20 September 2025

What is CVE-2025-9887?

The Custom Login And Signup Widget plugin for WordPress is susceptible to a Cross-Site Request Forgery vulnerability due to inadequate nonce validation in the file /frndzk_adminclsw.php. This flaw allows unauthenticated attackers to execute unauthorized actions, potentially altering email and username settings if they can deceive a site administrator into clicking a malicious link. Website owners should assess their security measures to prevent such exploit attempts.

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Deploy the Patch

Affected Version(s)

Custom Login And Signup Widget * <= 1.0

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/custom-login-a...

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

joseph kanko
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