CVE-2026-3837

EUVD-2026-25088
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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
Fluid AttacksCNA
4.6 MEDIUM
NETWORK
LOW
HIGH
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
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
frappefrappe
16.10.0
CNA
Common Weakness Enumeration
References
https://fluidattacks.com/es/advisories/sabina
https://github.com/frappe/frappe