{"id":"CVE-2026-42840","aliases":["EUVD-2026-34157","GHSA-w2pq-xvqr-7fqw"],"status":"published","title":"ERPNext 16.16.0 - Stored XSS in POS customer section via unescaped template literals","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.\nThis issue affects ERPNext: 16.16.0.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00243,"percentile":0.15617,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-06-03T17:35:04Z","modified":"2026-10-28T02:30:39Z","products":[{"vendor":"frappe","product":"erpnext"}],"references":[{"url":"https://fluidattacks.com/es/advisories/weeknd","tags":["third-party-advisory","exploit","advisory"]},{"url":"https://github.com/frappe/erpnext","tags":["product","package"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42840","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-w2pq-xvqr-7fqw"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42840.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-42840","title":"ERPNext 16.16.0 - Stored XSS in POS customer section via unescaped template literals","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.\nThis issue affects ERPNext: 16.16.0.","status":"published","published":"2026-06-03T17:35:04.126Z","modified":"2026-06-03T18:59:26.898Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:40:23.731501Z"}],"euvd":[{"id":"EUVD-2026-34157","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.\nThis issue affects ERPNext: 16.16.0.","status":"published","published":"2026-06-03T17:35:04Z","modified":"2026-06-03T18:59:26Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:20:53.780241Z"}],"ghsa":[{"id":"GHSA-w2pq-xvqr-7fqw","title":"An authenticated user can persist arbitrary HTML/JavaScript in the email_id or mobile_no fields...","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.\nThis issue affects ERPNext: 16.16.0.","status":"published","published":"2026-06-03T21:30:30Z","modified":"2026-06-03T21:30:37Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:08:31.387226Z"}],"nvd":[{"id":"CVE-2026-42840","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.\nThis issue affects ERPNext: 16.16.0.","status":"published","published":"2026-06-03T19:16:38.19Z","modified":"2026-07-22T20:10:00.127Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:22.022466Z"}],"osv":[{"id":"CVE-2026-42840","title":"ERPNext 16.16.0 - Stored XSS in POS customer section via unescaped template literals","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.\nThis issue affects ERPNext: 16.16.0.","status":"published","published":"2026-06-03T17:35:04.126Z","modified":"2026-10-28T02:30:39.627091401Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:45:04.117819Z"}]}}