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I. Basic Information for CVE-2025-9887
Vulnerability Information

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Vulnerability Title
Custom Login And Signup Widget <= 1.0 - Cross-Site Request Forgery
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨站请求伪造(CSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin Custom Login And Signup Widget 跨站请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Custom Login And Signup Widget 1.0及之前版本存在跨站请求伪造漏洞,该漏洞源于文件/frndzk_adminclsw.php中缺少或错误的随机数验证,可能导致跨站请求伪造攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
bittokaziCustom Login And Signup Widget * ~ 1.0 -
II. Public POCs for CVE-2025-9887
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III. Intelligence Information for CVE-2025-9887
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IV. Related Vulnerabilities
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