vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2026-42840

ERPNext 16.16.0 - Stored XSS in POS customer section via unescaped template literals

MEDIUM
5.1
CVSS Score
Published: June 3, 2026 at 05:35 PM UTC
Updated: July 22, 2026 at 08:24 PM UTC
1 product affected across 1 vendorERPNext

Using ERPNext by Frappe?

Get instant alerts when new vulnerabilities affect ERPNext - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM5.1
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Third Party Advisory
Source: cverecord
https://fluidattacks.com/es/advisories/weeknd
Product
Source: cverecord
https://github.com/frappe/erpnext

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.1MEDIUMFluid Attacks
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card