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CVE-2024-9204— Smart Custom 404 Error Page <= 11.4.7 - Reflected Cross-Site Scripting

Quick assessment

Affected
nerdpressteam Smart Custom 404 Error Page
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。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin Smart Custom 404 Error Page 11.4.7 版本及之前版本存在跨站脚本漏洞，该漏洞源于 REQUEST_URI 参数包含一个反射型跨站脚本问题。

CVSS 6.1 · Medium EPSS 0.46% · P40
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I. Basic Information for CVE-2024-9204

Vulnerability Information
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Vulnerability Title
Smart Custom 404 Error Page <= 11.4.7 - Reflected Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
The Smart Custom 404 Error Page plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via $_SERVER['REQUEST_URI'] in all versions up to, and including, 11.4.7 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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 Smart Custom 404 Error Page 跨站脚本漏洞
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。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin Smart Custom 404 Error Page 11.4.7 版本及之前版本存在跨站脚本漏洞，该漏洞源于 REQUEST_URI 参数包含一个反射型跨站脚本问题。
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
nerdpressteam Smart Custom 404 Error Page * ~ 11.4.7 -

II. Public POCs for CVE-2024-9204

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III. Intelligence Information for CVE-2024-9204

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Patches & Fixes for CVE-2024-9204 (2)

IV. Related Vulnerabilities

Same vendor: nerdpressteam
Same weakness: CWE-79