PT-2026-34557 · Frappe · Frappe

Oscar Uribe · Published 2026-04-22 · Updated 2026-04-22 · CVE-2026-3837

Mitre

CVSS v4.0

4.6

Medium

AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

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.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-3837

Affected Products

Frappe

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-3837 · Security Note
• https://github.com/frappe/frappe · Note
• https://fluidattacks.com/es/advisories/sabina · Note