CVE-2026-42840
MediumCVSS 5.1Exploitation Probability (EPSS)
Low risk16th percentile - higher than 16% of all known CVEs
Summary
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 affects ERPNext version 16.16.0.
Risk Assessment
An XSS attack could allow malicious script execution in the context of a POS operator's session, potentially leading to data theft or account takeover.
Recommendation
Update ERPNext to a version that fixes this vulnerability or apply proper output encoding.
Other vulnerabilities in ERPNext
See all- CVE-2026-44447High
ERPNext is a free and open source Enterprise Resource Planning tool. Prior to version 16.9.0, some endpoints were vulnerable to SQL injection, allowing a malicious actor to extract sensitive information.
- CVE-2026-44446High
ERPNext is a free and open source Enterprise Resource Planning tool. Prior to versions 15.104.3 and 16.14.0, some endpoints were vulnerable to SQL injection, allowing a malicious actor to extract sensitive information.
- CVE-2018-3885High
An exploitable SQL injection vulnerability exists in the authenticated part of ERPNext v10.1.6. Specially crafted web requests can cause SQL injections resulting in data compromise through the order_by parameter.
- CVE-2018-3884High
An exploitable SQL injection vulnerability exists in the authenticated part of ERPNext v10.1.6. Specially crafted web requests can cause SQL injections resulting in data compromise.
- CVE-2018-3883High
An SQL injection vulnerability exists in the authenticated part of ERPNext v10.1.6. Specially crafted web requests can lead to data compromise through SQL injection attacks.
- CVE-2018-3882High
An exploitable SQL injection vulnerability exists in the authenticated part of ERPNext v10.1.6. Specially crafted web requests can cause SQL injections resulting in data compromise.
- CVE-2026-65974Critical
ERPNext is a free and open source Enterprise Resource Planning tool. Prior to 15.111.0 and 16.22.0, limited authenticated users can cross a permission boundary in Frappe safe execution because frappe.render_template is exposed without forcing restrict_globals, allowing server-side template injection and remote code execution. This issue is fixed in versions 15.111.0 and 16.22.0.
- CVE-2026-72911Critical
ERPNext prior to versions 15.118.0 and 16.29.0 contains a vulnerability in unsafe template rendering in the statement of accounts process. An authenticated user with a common operational role can inject template expressions, execute arbitrary server-side code, and read data across the application.
- CVE-2026-44442Critical
ERPNext is a free and open source Enterprise Resource Planning tool. Prior to version 16.9.1, certain endpoints failed to enforce proper authorization checks, allowing users to modify data beyond their permitted role.
- CVE-2026-38431Critical
ERPNext v15.103.1 and earlier is vulnerable to Server-Side Template Injection (SSTI). Users with permission to create or edit email templates can inject template expressions executed on the server during rendering.
Original NVD description (English source)
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.