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CVE-2026-1404— Ultimate Member <= 2.11.1 - Reflected Cross-Site Scripting via Filter Parameters

CVSS 6.1 · Medium EPSS 0.16% · P36
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I. Basic Information for CVE-2026-1404

Vulnerability Information
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Vulnerability Title
Ultimate Member <= 2.11.1 - Reflected Cross-Site Scripting via Filter Parameters
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the filter parameters (e.g., 'filter_first_name') in all versions up to, and including, 2.11.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user 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:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin 跨站脚本漏洞
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 Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plug
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
ultimatememberUltimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin * ~ 2.11.1 -

II. Public POCs for CVE-2026-1404

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III. Intelligence Information for CVE-2026-1404

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IV. Related Vulnerabilities

Same product: Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin
Same vendor: ultimatemember
Same weakness: CWE-79

V. Comments for CVE-2026-1404

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