CVE-2025-9887

MEDIUM 4.3

Custom Login And Signup Widget <= 1.0 - Cross-Site Request Forgery

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-352
Vendor	bittokazi
Product	custom login and signup widget
Published	Sep 20, 2025
Last Updated	Apr 8, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

bittokazi / Custom Login And Signup Widget

0 ≤ 1.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/f478db7f-6339-446e-b00d-0710707e679a?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/custom-login-and-signup-widget/tags/1.0/frndzk_adminclsw.php#L3

Credits

joseph kanko