Vulnerability · Published Jun 3, 2026 · Assigned by Fluid Attacks
CVE-2026-42839ERPNext 16.16.0 - Stored XSS in POS cart item rendering
Medium 4.8
In plain English
A medium-severity cross-site scripting in ERPNext from Frappe. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).
Severity (CVSS 4.0)4.8Medium
Exploit odds (30 days)0.3%top 82.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
Weakness: CWE-79 · 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
References
- https://fluidattacks.com/es/advisories/pink third-party-advisory
- https://github.com/frappe/erpnext product