Cross-site Scripting vulnerability in BigProf products

{
  "id": "7b3b23db6ad9c2760bb2c94cbb2d6b4e57d4082a18e41d03d8056aec1b2a4a4e",
  "url": "https://osv.dev/vulnerability/CVE-2023-6426",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Cross-site Scripting vulnerability in BigProf products",
    "summary": "A vulnerability has been discovered in BigProf Online Invoicing System 2.6, which does not sufficiently encode user-controlled input, resulting in persistent XSS through /invoicing/app/invoices_view.php, in the FirstRecord parameter. Exploitation of this vulnerability could allow an attacking user to store dangerous JavaScript payloads on the system that will be triggered when the page loads.",
    "evidence": "osv:CVE-2023-6426",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-6426",
      "aliases": [
        "CVE-2023-6426"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/bigprof-software/online-invoicing-system",
              "type": "GIT",
              "events": [
                {
                  "introduced": "5550ad6bb16cbcd33c4eb6d22b7adc5b45e33b42"
                },
                {
                  "last_affected": "5550ad6bb16cbcd33c4eb6d22b7adc5b45e33b42"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:bigprof:online_invoicing_system:2.6:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.6"
                      },
                      {
                        "last_affected": "2.6"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.6"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-6426.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:32.830134740Z",
      "provider": "osv",
      "references": [
        "https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-xss-vulnerabilities-bigprof-products",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6426.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-6426"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "INCIBE",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "2.6"
                  },
                  {
                    "last_affected": "2.6"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6426.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-6426",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 500111,
  "published_at": "2023-11-30T13:50:17.135+00:00"
}