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CVE-2024-5439— Blocksy <= 2.0.50 - Authenticated (Contributor+) Stored Cross-Site Scripting

Quick assessment

Affected
creativethemeshq Blocksy
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是WordPress基金会的一套使用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 theme是WordPress的一款主题。 WordPress theme Blocksy 2.0.50版本及之前版本存在安全漏洞，该漏洞源于对用户的输入清理和输出转义不足。

CVSS 6.4 · Medium EPSS 0.29% · P19
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I. Basic Information for CVE-2024-5439

Vulnerability Information
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Vulnerability Title
Blocksy <= 2.0.50 - Authenticated (Contributor+) Stored Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
The Blocksy theme for WordPress is vulnerable to Reflected Cross-Site Scripting via the custom_url parameter in all versions up to, and including, 2.0.50 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:L/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress theme Blocksy 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress是WordPress基金会的一套使用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 theme是WordPress的一款主题。 WordPress theme Blocksy 2.0.50版本及之前版本存在安全漏洞，该漏洞源于对用户的输入清理和输出转义不足。
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
creativethemeshq Blocksy * ~ 2.0.50 -

II. Public POCs for CVE-2024-5439

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III. Intelligence Information for CVE-2024-5439

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Vendor Advisories for CVE-2024-5439 (1)

Other References for CVE-2024-5439 (1)

IV. Related Vulnerabilities

Same product: Blocksy
Same vendor: creativethemeshq
Same weakness: CWE-20

V. Comments for CVE-2024-5439

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