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CVE-2026-40230— Helpy 2.8.0 - Stored XSS in knowledgebase Doc body rendering

EPSS 0.03% · P8
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I. Basic Information for CVE-2026-40230

Vulnerability Information
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Vulnerability Title
Helpy 2.8.0 - Stored XSS in knowledgebase Doc body rendering
Source: NVD (National Vulnerability Database)
Vulnerability Description
Helpy contains a stored cross-site scripting vulnerability in the knowledge base Doc rendering logic. An authenticated attacker with admin or agent editor privileges can persist arbitrary HTML or JavaScript in the body field of a knowledge base Doc.This issue affects helpy: 2.8.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
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
Helpy 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Helpy是美国Helpy公司的一款开源的客户支持应用程序。该程序包括知识库、社区讨论和电子邮件等功能。 Helpy 2.8.0版本存在跨站脚本漏洞，该漏洞源于知识库Doc渲染逻辑中存在存储型跨站脚本漏洞，可能导致经过身份验证的管理员或代理编辑器权限的攻击者在知识库Doc的正文域中持久化任意HTML或JavaScript。
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
helpyiohelpy 2.8.0 -

II. Public POCs for CVE-2026-40230

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III. Intelligence Information for CVE-2026-40230

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IV. Related Vulnerabilities

Same product: helpy
Same vendor: helpyio
Same weakness: CWE-79

V. Comments for CVE-2026-40230

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