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CVE-2021-20734

Quick assessment

Affected
Collne Inc. Welcart e-Commerce
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（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 Welcart e-Commerce 存在跨站脚本漏洞，该漏洞源于对用户提供的数据的无害化处理不足，远程攻击者可利用该漏洞在脆弱网站的上下文中在用户的浏览器中注入和执行任意的HTML和脚本代码。以下产品和版本的影响:Welcart e-Commerce: 0.7, 0.7.1, 0.7.2, 0.7.3, 0.8, 0.8.1

AI Predicted 6.1 Difficulty: Easy EPSS 1.04% · P63

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-20734

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Cross-site scripting vulnerability in Welcart e-Commerce versions prior to 2.2.4 allows remote attackers to inject arbitrary script or HTML via unspecified vectors.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress是WordPress（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 Welcart e-Commerce 存在跨站脚本漏洞，该漏洞源于对用户提供的数据的无害化处理不足，远程攻击者可利用该漏洞在脆弱网站的上下文中在用户的浏览器中注入和执行任意的HTML和脚本代码。以下产品和版本的影响:Welcart e-Commerce: 0.7, 0.7.1, 0.7.2, 0.7.3, 0.8, 0.8.1
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
Collne Inc. Welcart e-Commerce versions prior to 2.2.4 -

II. Public POCs for CVE-2021-20734

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-20734

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Vendor Advisories for CVE-2021-20734 (1)

Other References for CVE-2021-20734 (1)

IV. Related Vulnerabilities

Same product: Welcart e-Commerce
Same vendor: Collne Inc.

V. Comments for CVE-2021-20734

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