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CVE-2026-93656— User Profile Builder <= 4.0.2 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Avatar Field

Quick assessment

Affected
cozmoslabs User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor
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 “User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor” 中存在存储型跨站脚本（Stored Cross-Site Scripting, XSS）漏洞。该漏洞存在于头像（Avatar）字段中，影响 4.0.2 及以下所有版本，原因是输入清理和输出转义不足。攻击者（需具备订阅者（Subscriber）及以上权限）可在页面中注入任意 Web 脚本，当其他用户访问被注入

CVSS 6.4 · Medium EPSS 0.20% · P9

Affected Version Matrix 1

VendorProduct Version RangeStatus
cozmoslabs User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor ≤ 4.0.2 affected
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I. Basic Information for CVE-2026-93656

Vulnerability Information
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Vulnerability Title
User Profile Builder <= 4.0.2 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Avatar Field
Source: CVE Program / CVE List V5
Vulnerability Description
The User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Avatar Field in all versions up to, and including, 4.0.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This is exploitable via a nonce-free GET request to /wp-admin/profile.php, requiring no profile-form submission; a Subscriber can plant the malicious attachment URL, which then executes when an administrator opens that user's Edit User screen.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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
cozmoslabs User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor 0 ~ 4.0.2 -

II. Public POCs for CVE-2026-93656

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III. Intelligence Information for CVE-2026-93656

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Patches & Fixes for CVE-2026-93656 (4)

Vendor Advisories for CVE-2026-93656 (1)

IV. Related Vulnerabilities

Same product: User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor
Same vendor: cozmoslabs
Same weakness: CWE-79

V. Comments for CVE-2026-93656

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