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CVE-2026-40229— Helpy 2.8.0 - Stored XSS in post author display via PostsHelper

EPSS 0.03% · P8
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I. Basic Information for CVE-2026-40229

Vulnerability Information
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Vulnerability Title
Helpy 2.8.0 - Stored XSS in post author display via PostsHelper
Source: NVD (National Vulnerability Database)
Vulnerability Description
Helpy contains a stored cross-site scripting vulnerability in the post author display logic. Any registered user can persist arbitrary HTML in their account name field and cause it to be rendered unescaped in public forum threads where they participate, in the admin ticket view, and in HTML notification emails sent to other users.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，该漏洞源于帖子作者显示逻辑中存储型跨站脚本，可能导致任意HTML持久化。
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-2026-40229

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III. Intelligence Information for CVE-2026-40229

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IV. Related Vulnerabilities

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

V. Comments for CVE-2026-40229

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