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I. Basic Information for CVE-2023-4495
Vulnerability Information

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Vulnerability Title
Easy Chat Server XSS vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Easy Chat Server, in its 3.1 version and before, does not sufficiently encrypt user-controlled inputs, resulting in a Cross-Site Scripting (XSS) vulnerability stored via /registresult.htm (POST method), in the Resume parameter. The XSS is loaded from /register.ghp.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
Chat Server 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Chat Server是ramank775个人开发者的基于微服务架构的聊天服务器,支持高可用、高吞吐、横向扩展。 Chat Server 3.1版本存在跨站脚本漏洞,该漏洞源于Resume参数存在存储型跨站脚本(XSS)漏洞。
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
VendorProductAffected VersionsCPESubscribe
EFS SoftwareEasy Chat Server 0 ~ 3.1 -
II. Public POCs for CVE-2023-4495
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III. Intelligence Information for CVE-2023-4495
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IV. Related Vulnerabilities
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