CVE-2021-4175— Cross-site Scripting (XSS) - Stored in livehelperchat/livehelperchat
Quick assessment
Affected
livehelperchat livehelperchat/livehelperchat
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.
livehelperchat是通过实时助手聊天，可以在网站上免费提供实时支持。 livehelperchat 存在跨站脚本漏洞，该漏洞源于在生成网页时，livehelperchat容易受到输入不正确的影响。攻击者可利用该漏洞执行客户端代码。
Possible ATT&CK Techniques 3 AI
T1001 · Data Obfuscation T1059 · Command and Scripting Interpreter T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-4175
Vulnerability Information
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Vulnerability Title
Cross-site Scripting (XSS) - Stored in livehelperchat/livehelperchat
Source: CVE Program / CVE List V5
Vulnerability Description
livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Source: CVE Program / CVE List V5
CVSS Information
N/A
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
livehelperchat 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
livehelperchat是通过实时助手聊天，可以在网站上免费提供实时支持。 livehelperchat 存在跨站脚本漏洞，该漏洞源于在生成网页时，livehelperchat容易受到输入不正确的影响。攻击者可利用该漏洞执行客户端代码。
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 |
|---|---|---|---|---|
| livehelperchat | livehelperchat/livehelperchat | unspecified ~ 3.90 | - |
|
II. Public POCs for CVE-2021-4175
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Patches & Fixes for CVE-2021-4175 (1)
Vendor Advisories for CVE-2021-4175 (1)
-
https://huntr.dev/bounties/8a7d16e0-9a46-4710-a029-c89c33c01528 x_refsource_CONFIRM
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V. Comments for CVE-2021-4175
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