An authenticated user can persist arbitrary HTML/JavaScript in the email_id or mobile_no fields of a Customer record and trigger unescaped rendering in the Point of Sale (POS) interface for every operator who selects that customer.
This issue affects ERPNext: 16.16.0.

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History

Wed, 03 Jun 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 03 Jun 2026 19:00:00 +0000

Type Values Removed Values Added
Description An authenticated user can persist arbitrary HTML/JavaScript in the email_id or mobile_no fields of a Customer record and trigger unescaped rendering in the Point of Sale (POS) interface for every operator who selects that customer. This issue affects ERPNext: 16.16.0.
Title ERPNext 16.16.0 - Stored XSS in POS customer section via unescaped template literals
First Time appeared Frappe
Frappe erpnext
Weaknesses CWE-79
CPEs cpe:2.3:a:frappe:erpnext:16.16.0:*:linux:*:*:*:*:*
cpe:2.3:a:frappe:erpnext:16.16.0:*:macos:*:*:*:*:*
cpe:2.3:a:frappe:erpnext:16.16.0:*:windows:*:*:*:*:*
Vendors & Products Frappe
Frappe erpnext
References
Metrics cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: Fluid Attacks

Published:

Updated: 2026-06-03T18:59:26.898Z

Reserved: 2026-04-30T15:23:30.711Z

Link: CVE-2026-42840

cve-icon Vulnrichment

Updated: 2026-06-03T18:59:01.056Z

cve-icon NVD

Status : Received

Published: 2026-06-03T19:16:38.190

Modified: 2026-06-03T20:16:20.907

Link: CVE-2026-42840

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-03T20:30:36Z

Weaknesses