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CVE-2021-20742

Quick assessment

Affected
EC-CUBE CO.,LTD. EC-CUBE Business form output plugin (for EC-CUBE 3.0 series)
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.

Ec-cube是日本Ec-cube公司的一套开源的电子商务系统。 EC-CUBE 3.0 series存在跨站脚本漏洞，该漏洞源于Business form output plugin 1.0.1之前版本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使用 EC-CUBE 创建的 EC 网站的特定输入字段中注入特制脚本，并在用户的 Web 浏览器上执行任意脚本。

AI Predicted 6.1 Difficulty: Trivial EPSS 0.76% · P52

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-20742

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Cross-site scripting vulnerability in EC-CUBE Business form output plugin (for EC-CUBE 3.0 series) versions prior to version 1.0.1 allows a remote attacker to inject an arbitrary script via unspecified vector.
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
Ec-cube 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ec-cube是日本Ec-cube公司的一套开源的电子商务系统。 EC-CUBE 3.0 series存在跨站脚本漏洞，该漏洞源于Business form output plugin 1.0.1之前版本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使用 EC-CUBE 创建的 EC 网站的特定输入字段中注入特制脚本，并在用户的 Web 浏览器上执行任意脚本。
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
EC-CUBE CO.,LTD. EC-CUBE Business form output plugin (for EC-CUBE 3.0 series) versions prior to version 1.0.1 -

II. Public POCs for CVE-2021-20742

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-20742

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Vendor Advisories for CVE-2021-20742 (1)

Other References for CVE-2021-20742 (1)

Same Patch Batch · EC-CUBE CO.,LTD. · 2021-06-22 · 3 CVEs total

CVE-2021-20743 Ec-cube 跨站脚本漏洞
CVE-2021-20744 Ec-cube 跨站脚本漏洞

IV. Related Vulnerabilities

Same vendor: EC-CUBE CO.,LTD.

V. Comments for CVE-2021-20742

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