Vulnerability 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.
Related Weaknesses (CWE)
References
- https://fluidattacks.com/es/advisories/weeknd
- https://github.com/frappe/erpnext
- https://fluidattacks.com/es/advisories/weeknd
FAQ
What is CVE-2026-42840?
CVE-2026-42840 is a documented vulnerability. 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 oper...
How severe is CVE-2026-42840?
CVSS scoring is not yet available for CVE-2026-42840. Check NVD for updates.
Is there a patch for CVE-2026-42840?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.