CVE-2026-42839 | THREATINT

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.

PUBLISHED Reserved 2026-04-30 | Published 2026-06-03 | Updated 2026-06-03 | Assigner Fluid Attacks

MEDIUM: 4.8CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Product status

Default status

unaffected

16.16.0

affected

Credits

Fluid Attacks' AI SAST Scanner finder

Oscar Naveda finder

References

fluidattacks.com/es/advisories/pink third-party-advisory

github.com/frappe/erpnext product

cve.org (CVE-2026-42839)

nvd.nist.gov (CVE-2026-42839)

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