CVE-2026-31382— Gainsight Assist reflected XSS/HTML injection
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I. Basic Information for CVE-2026-31382
Vulnerability Information
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Vulnerability Title
Gainsight Assist reflected XSS/HTML injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
The error_description parameter is vulnerable to Reflected XSS. An attacker can bypass the domain's WAF using a Safari-specific onpagereveal payload.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:L
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
Gainsight Assist 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Gainsight Assist是Gainsight公司的一款客户沟通模板管理工具。 Gainsight Assist存在安全漏洞，该漏洞源于error_description参数处理不当，可能导致反射型跨站脚本攻击。
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 |
|---|---|---|---|---|
| Gainsight | Gainsight Assist | - | - |
II. Public POCs for CVE-2026-31382
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same weakness: CWE-79
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V. Comments for CVE-2026-31382
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