CVE-2026-28436 PUBLISHED

Frappe: Stored XSS in avatar_macro.html

Assigner: GitHub_M
Reserved: 27.02.2026 Published: 05.03.2026 Updated: 06.03.2026

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.

Metrics

CVSS 4.0

CVSS Vector: 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
CVSS Score: 1.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	Passive

CVSS 4.0

Product Status

Vendor	frappe
Product	frappe
Versions	Version < 16.11.0 is affected Version < 15.102.0 is affected

References

https://github.com/frappe/frappe/security/advisories/GHSA-vm63-r48g-7wqh

Problem Types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE