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CVE-2026-3596— Riaxe Product Customizer <= 2.1.2 - Missing Authorization to Unauthenticated Arbitrary Options Update to Privilege Escalation via 'install-imprint' AJAX Action

Quick assessment

Affected
imprintnext Riaxe Product Customizer
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 Riaxe Product Customizer 2.1.2及之前版本存在安全漏洞，该漏洞源于缺少随机数验证和能力检查，可能导致权限提升。

CVSS 9.8 · Critical EPSS 0.84% · P57
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I. Basic Information for CVE-2026-3596

Vulnerability Information
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Vulnerability Title
Riaxe Product Customizer <= 2.1.2 - Missing Authorization to Unauthenticated Arbitrary Options Update to Privilege Escalation via 'install-imprint' AJAX Action
Source: CVE Program / CVE List V5
Vulnerability Description
The Riaxe Product Customizer plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 2.1.2. The plugin registers an unauthenticated AJAX action ('wp_ajax_nopriv_install-imprint') that maps to the ink_pd_add_option() function. This function reads 'option' and 'opt_value' from $_POST, then calls delete_option() followed by add_option() using these attacker-controlled values without any nonce verification, capability checks, or option name allowlist. This makes it possible for unauthenticated attackers to update arbitrary WordPress options, which can be leveraged for privilege escalation by enabling user registration and setting the default user role to administrator.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Riaxe Product Customizer 安全漏洞
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 Riaxe Product Customizer 2.1.2及之前版本存在安全漏洞，该漏洞源于缺少随机数验证和能力检查，可能导致权限提升。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
imprintnext Riaxe Product Customizer 0 ~ 2.1.2 -

II. Public POCs for CVE-2026-3596

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III. Intelligence Information for CVE-2026-3596

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Same Patch Batch · imprintnext · 2026-04-16 · 3 CVEs total

CVE-2026-3599 7.5 HIGH Riaxe Product Customizer <= 2.1.2 - Unauthenticated SQL Injection via 'options' Parameter
CVE-2026-3595 5.3 MEDIUM Riaxe Product Customizer <= 2.1.2 - Unauthenticated Arbitrary User Deletion via 'user_id'

IV. Related Vulnerabilities

Same product: Riaxe Product Customizer
Same vendor: imprintnext
Same weakness: CWE-862

V. Comments for CVE-2026-3596

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