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CVE-2026-96574— User Frontend <= 4.3.12 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'wpuf_payment_method' Parameter

Quick assessment

Affected
wedevs User Frontend – Membership, User Registration, User Profile, User Directory & Content Restriction with Frontend Post Submission
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 Frontend – Membership, User Registration, User Profile, User Directory & Content Restriction with Frontend Post Submission” 中存在存储型跨站脚本（XSS）漏洞。该漏洞影响 4.3.12 及之前所有版本，原因是插件在处理 “wpuf_payment_method” 参数时，缺乏足够的输入过滤和输出转义。 攻击者只要具备订阅者（subscriber）及更高级别

CVSS 6.4 · Medium EPSS 0.22% · P11

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-96574

Vulnerability Information
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Vulnerability Title
User Frontend <= 4.3.12 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'wpuf_payment_method' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The User Frontend – Membership, User Registration, User Profile, User Directory & Content Restriction with Frontend Post Submission plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'wpuf_payment_method' parameter in all versions up to, and including, 4.3.12 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. The bypass technique involves appending a valid gateway keyword such as 'bank' to the HTML payload, causing sanitize_text_field() to yield only the keyword for routing purposes while the full malicious raw value is stored and later rendered unescaped.
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
wedevs User Frontend – Membership, User Registration, User Profile, User Directory & Content Restriction with Frontend Post Submission 0 ~ 4.3.12 -

II. Public POCs for CVE-2026-96574

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III. Intelligence Information for CVE-2026-96574

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Patches & Fixes for CVE-2026-96574 (2)

News Coverage for CVE-2026-96574 (1)

Other References for CVE-2026-96574 (1)

Other References for CVE-2026-96574 (1)

IV. Related Vulnerabilities

Same vendor: wedevs
Same weakness: CWE-79

V. Comments for CVE-2026-96574

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