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CVE-2026-6439— VideoZen <= 1.0.1 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'VideoZen available subtitles languages' Field

Quick assessment

Affected
jconti VideoZen
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 VideoZen 1.0.1及之前版本存在安全漏洞，该漏洞源于videozen_conf函数中输入清理和输出转义不足，可能导致具有管理员级别及以上权限的经过身份验证的攻击者向插件设置页面注入任意Web脚本。

CVSS 4.4 · Medium EPSS 0.31% · P22
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I. Basic Information for CVE-2026-6439

Vulnerability Information
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Vulnerability Title
VideoZen <= 1.0.1 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'VideoZen available subtitles languages' Field
Source: CVE Program / CVE List V5
Vulnerability Description
The VideoZen plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to and including 1.0.1. This is due to insufficient input sanitization and output escaping in the videozen_conf() function. The 'lang' POST parameter is stored directly via update_option() without any sanitization, and later echoed inside a <textarea> element without applying esc_textarea() or any equivalent escaping function. This makes it possible for authenticated attackers with Administrator-level access and above to inject arbitrary web scripts into the plugin settings page that will execute whenever any user accesses that page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/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
Vulnerability Title
WordPress plugin VideoZen 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 VideoZen 1.0.1及之前版本存在安全漏洞，该漏洞源于videozen_conf函数中输入清理和输出转义不足，可能导致具有管理员级别及以上权限的经过身份验证的攻击者向插件设置页面注入任意Web脚本。
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
jconti VideoZen 0 ~ 1.0.1 -

II. Public POCs for CVE-2026-6439

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III. Intelligence Information for CVE-2026-6439

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IV. Related Vulnerabilities

Same vendor: jconti
Same weakness: CWE-79

V. Comments for CVE-2026-6439

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