XSS in Frappe Erpnext
CVE-2026-109657
Frappe ERPNext 16.x before 16.27.0 contains a stored cross-site scripting vulnerability that allows users with edit rights to inject script through a record name rendered without escaping. Attackers can set a malicious record name so the script runs in the browser of any colleague who opens the page.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/frappe/erpnext/security/advisories/GHSA-mvr5-2j8r-53p4 (vendor-advisory)
- www.vulncheck.com/advisories/frappe-erpnext-16-x-before-16.27.0-stored-xss-via-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-109657?
- CVE-2026-109657 is a medium-severity vulnerability in Frappe Erpnext, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-10-12.
- How severe is CVE-2026-109657?
- Medium severity. CVSS v3 base score is 5.4 out of 10.