PT-2026-46043 · Frappe · Erpnext

Oscar Naveda · CVE-2026-42839 · Published 2026-06-03 · Updated 2026-07-22

Positive Technologies (AI Summary)

CVSS v4.0

4.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions ERPNext version 16.16.0

Description An authenticated user with permissions to edit Item records can inject arbitrary HTML or JavaScript into the item name, description, or image fields of an Item. This leads to unescaped rendering in the Point of Sale (POS) cart interface for any operator who adds the affected item to a transaction.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-42839

Affected Products

Erpnext

References · 9

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42839.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-42839 · Security Note
• https://osv.dev/vulnerability/CVE-2026-42839 · Vendor Advisory
• https://github.com/frappe/erpnext · Note
• https://twitter.com/infoflowcloud/status/2062405543222771717 · Twitter Post
• https://twitter.com/CVEnew/status/2062404849602572603 · Twitter Post
• https://twitter.com/fluidattacks/status/2066650709286941179 · Twitter Post
• https://t.me/cveNotify/213300 · Telegram Post
• https://fluidattacks.com/es/advisories/pink · Note