CVE-2026-42839 MEDIUM

CVE-2026-42839: ERPNext 16.16.0 - Stored XSS in POS cart item rendering

Vendor Frappe
Product ERPNext
Weakness CWE-79 · XSS
Published June 3, 2026
Last update June 3, 2026
View on NVD All CVEs

CVSS base score

4.8/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction —
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

What the vulnerability does

01Description

An authenticated ERPNext user with Item record edit permissions can persist arbitrary HTML/JavaScript in the item_name, description, or image fields of an Item and trigger unescaped rendering in the Point of Sale (POS) cart interface for every operator who adds that item to a transaction.This issue affects ERPNext: 16.16.0.

Key dates

02Disclosure timeline

June 3, 2026 CVE published
June 3, 2026 Record updated