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CVE-2026-93427— ARMember Premium <= 7.8.1 - Unauthenticated Stored Cross-Site Scripting via Registration Custom Field

Quick assessment

Affected
armember ARMember Premium – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress 插件"ARMember Premium – Membership Plugin"（包含内容限制、会员等级、用户资料及用户注册功能）在所有 7.8.1 及更早版本中，存在存储型跨站脚本（Stored XSS）漏洞。该漏洞源于注册自定义字段（头像封面）的输入过滤与输出转义不足，使得未经身份验证的攻击者能够在页面中注入任意 Web 脚本；当用户访问被注入的页面时，这些脚本将被执行。

CVSS 7.2 · High
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I. Basic Information for CVE-2026-93427

Vulnerability Information
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Vulnerability Title
ARMember Premium <= 7.8.1 - Unauthenticated Stored Cross-Site Scripting via Registration Custom Field
Source: CVE Program / CVE List V5
Vulnerability Description
The ARMember Premium – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Registration Custom Field (Profile Cover) in all versions up to, and including, 7.8.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
armember ARMember Premium – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup 0 ~ 7.8.1 -

II. Public POCs for CVE-2026-93427

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-93427

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Other References for CVE-2026-93427 (2)

IV. Related Vulnerabilities

Same product: ARMember Premium – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup
Same vendor: armember
Same weakness: CWE-79