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CVE-2026-18385— Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content <= 4.16.19 - Authenticated (Subscriber+) Arbitrary Shortcode Execution via First Name / Last Name Profile Field

Quick assessment

Affected
properfraction Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress
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 ProfilePress是WordPress基金会开源的一款会员管理与用户认证组件。 WordPress ProfilePress 4.16.19及之前版本存在代码注入漏洞，该漏洞源于软件在运行do_shortcode之前未正确验证值，可能导致已认证的订阅者级别及以上攻击者执行任意短代码。

CVSS 5.4 · Medium EPSS 0.52% · P42

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-18385

Vulnerability Information
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Vulnerability Title
Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content <= 4.16.19 - Authenticated (Subscriber+) Arbitrary Shortcode Execution via First Name / Last Name Profile Field
Source: CVE Program / CVE List V5
Vulnerability Description
The The Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 4.16.19. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for authenticated attackers, with subscriber-level access and above, to execute arbitrary shortcodes. The partial mitigation introduced via strip_shortcodes() on [profile-first-name] and [profile-last-name] can be bypassed through the [profile-display-name format="first_last_names"] render path, the [profile-bio] render path (which re-fetches the raw description meta), and the double-bracket escape sequence [[tag]], all of which allow attacker-controlled shortcode text to reach the outer do_shortcode() call.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress ProfilePress 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress ProfilePress是WordPress基金会开源的一款会员管理与用户认证组件。 WordPress ProfilePress 4.16.19及之前版本存在代码注入漏洞，该漏洞源于软件在运行do_shortcode之前未正确验证值，可能导致已认证的订阅者级别及以上攻击者执行任意短代码。
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

Vendor Product Affected Versions CPE Subscribe
properfraction Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress 0 ~ 4.16.19 -

II. Public POCs for CVE-2026-18385

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III. Intelligence Information for CVE-2026-18385

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Patches & Fixes for CVE-2026-18385 (4)

Vendor Advisories for CVE-2026-18385 (1)

Other References for CVE-2026-18385 (1)

IV. Related Vulnerabilities

Same product: Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress
Same vendor: properfraction
Same weakness: CWE-94

V. Comments for CVE-2026-18385

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