Frappe ERPNext 16.x before 16.27.0 Stored XSS via Unescaped Record Name

{
  "id": "abf3ce88d3b93226f489911c7d85c9e8fe1a8bcca6fef2d2b3fb511c5a308527",
  "url": "https://osv.dev/vulnerability/CVE-2026-109657",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Frappe ERPNext 16.x before 16.27.0 Stored XSS via Unescaped Record Name",
    "summary": "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.",
    "evidence": "osv:CVE-2026-109657",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-109657",
      "aliases": [
        "CVE-2026-109657",
        "GHSA-mvr5-2j8r-53p4"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/frappe/erpnext",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b672744543ac713453825d830391dab8f42fc889"
                },
                {
                  "fixed": "9d5c7605b8eae7fb5aaf9efd00a778adae2daeb1"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "16.0.0-beta.1"
                      },
                      {
                        "fixed": "16.27.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "16.x"
                      },
                      {
                        "fixed": "16.27.0"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v16.26.2",
            "v16.26.1",
            "v16.26.0",
            "v16.25.0",
            "v16.24.0",
            "v16.23.1",
            "v16.23.0",
            "v16.22.0",
            "v16.21.1",
            "v16.21.0",
            "v16.20.1",
            "v16.20.0",
            "v16.19.1",
            "v16.19.0",
            "v16.18.3",
            "v16.18.2",
            "v16.18.1",
            "v16.18.0",
            "v16.17.0",
            "v16.16.0",
            "v16.15.1",
            "v16.15.0",
            "v16.14.0",
            "v16.13.3",
            "v16.13.2",
            "v16.13.1",
            "v16.13.0",
            "v16.12.0",
            "v16.11.0",
            "v16.10.1",
            "v16.10.0",
            "v16.9.1",
            "v16.9.0",
            "v16.8.3",
            "v16.8.2",
            "v16.8.1",
            "v16.8.0",
            "v16.7.3",
            "v16.7.2",
            "v16.7.1",
            "v16.7.0",
            "v16.6.1",
            "v16.6.0",
            "v16.5.0",
            "v16.4.1",
            "v16.4.0",
            "v16.3.0",
            "v16.2.0",
            "v16.1.0",
            "v16.0.1",
            "v16.0.0",
            "v16.0.0-beta.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109657.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:24.213303475Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109657.json",
        "https://github.com/frappe/erpnext/security/advisories/GHSA-mvr5-2j8r-53p4",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-109657",
        "https://www.vulncheck.com/advisories/frappe-erpnext-16-x-before-16.27.0-stored-xss-via-unescaped-record-name"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109657.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-109657",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 490504,
  "published_at": "2026-10-12T22:22:27.164+00:00"
}