CVE-2026-28436— Frappe: Stored XSS in avatar_macro.html
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 16.11.0之前版本和15.102.0之前版本存在跨站脚本漏洞，该漏洞源于设置特制的图像URL可能导致跨站脚本。
Possible ATT&CK Techniques 3 AI
T1190 · Exploit Public-Facing Application T1059 · Command and Scripting Interpreter T1189 · Drive-by Compromise
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I. Basic Information for CVE-2026-28436
Vulnerability Information
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Vulnerability Title
Frappe: Stored XSS in avatar_macro.html
Source: CVE Program / CVE List V5
Vulnerability Description
Frappe is a full-stack web application framework. Prior to versions 16.11.0 and 15.102.0, an attacker can set a crafted image URL that results in XSS when the avatar is displayed, and it can be triggered for other users via website page comments. This issue has been patched in versions 16.11.0 and 15.102.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U
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 16.11.0之前版本和15.102.0之前版本存在跨站脚本漏洞，该漏洞源于设置特制的图像URL可能导致跨站脚本。
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
II. Public POCs for CVE-2026-28436
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-28436 (1)
-
Stored XSS in avatar_macro.html · Advisory · frappe/frappe · GitHub x_refsource_CONFIRM
Same Patch Batch · frappe · 2026-03-05 · 3 CVEs total
| CVE-2026-29077 | 7.1 HIGH | Frappe: Broken Access Control in DocShare |
| CVE-2026-29081 | 6.5 MEDIUM | Frappe: Possibility of SQL Injection due to improper fieldname sanitization |
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V. Comments for CVE-2026-28436
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