CVE-2026-3837

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.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://fluidattacks.com/es/advisories/sabina	Exploit Third Party Advisory
https://github.com/frappe/frappe	Product
https://github.com/frappe/frappe/pull/38796	Issue Tracking Patch

Configurations

Configuration 1 (hide)

cpe:2.3:a:frappe:frappe:16.10.0:*:*:*:*:*:*:*

History

14 May 2026, 21:24

Type	Values Removed	Values Added
References	~~() https://fluidattacks.com/es/advisories/sabina -~~	() https://fluidattacks.com/es/advisories/sabina - Exploit, Third Party Advisory
References	~~() https://github.com/frappe/frappe -~~	() https://github.com/frappe/frappe - Product
References	~~() https://github.com/frappe/frappe/pull/38796 -~~	() https://github.com/frappe/frappe/pull/38796 - Issue Tracking, Patch
CPE		cpe:2.3:a:frappe:frappe:16.10.0:::::::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.4
First Time		Frappe Frappe frappe

27 Apr 2026, 18:16

Type	Values Removed	Values Added
References		() https://github.com/frappe/frappe/pull/38796 -

22 Apr 2026, 21:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-22 21:17

Updated : 2026-05-14 21:24

NVD link : CVE-2026-3837

Mitre link : CVE-2026-3837

CVE.ORG link : CVE-2026-3837

JSON object : View

Products Affected

frappe

frappe

CWE

CWE-79

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

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