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CVE-2026-3837— Frappe Framework 16.10.0 - Stored DOM XSS in Multiple Field Formatters

Quick assessment

Affected
Frappe Frappe
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.

Frappe是印度Frappe公司的一个基于Python、Mariadb的并集成前端页面的Web开发框架。 Frappe 16.10.0版本存在跨站脚本漏洞，该漏洞源于多个字段类型中存储的特制值在格式化时未转义，可能导致认证攻击者在其他用户打开受影响文档时触发客户端脚本执行。

AI Predicted 6.1 Difficulty: Moderate EPSS 0.34% · P25

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-3837

Vulnerability Information
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Vulnerability Title
Frappe Framework 16.10.0 - Stored DOM XSS in Multiple Field Formatters
Source: CVE Program / CVE List V5
Vulnerability Description
An authenticated attacker can persist crafted values in multiple field types and trigger client-side script execution when another user opens the affected document in Desk. The vulnerable formatter implementations interpolate stored values into raw HTML attributes and element content without escaping This issue affects Frappe: 16.10.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
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
Frappe 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Frappe是印度Frappe公司的一个基于Python、Mariadb的并集成前端页面的Web开发框架。 Frappe 16.10.0版本存在跨站脚本漏洞，该漏洞源于多个字段类型中存储的特制值在格式化时未转义，可能导致认证攻击者在其他用户打开受影响文档时触发客户端脚本执行。
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
Frappe Frappe 16.10.0 -

II. Public POCs for CVE-2026-3837

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III. Intelligence Information for CVE-2026-3837

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Patches & Fixes for CVE-2026-3837 (1)

Vendor Advisories for CVE-2026-3837 (1)

IV. Related Vulnerabilities

Same product: Frappe
Same vendor: Frappe
Same weakness: CWE-79

V. Comments for CVE-2026-3837

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