Security advisory

{
  "id": "0b82e236a82f808903a0b9fa7d73238dcadf66e00e04e3dcb889c1574a00a1df",
  "url": "https://osv.dev/vulnerability/CVE-2023-26846",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-26846",
    "summary": "A stored cross-site scripting (XSS) vulnerability in OpenCATS v0.9.7 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the city parameter at opencats/index.php?m=candidates.",
    "evidence": "osv:CVE-2023-26846",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-26846",
      "aliases": [
        "CVE-2023-26846"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/opencats/opencats",
              "type": "GIT",
              "events": [
                {
                  "introduced": "df7e3739f99ef0c192f7f1de3e1b8a56df4f9195"
                },
                {
                  "last_affected": "df7e3739f99ef0c192f7f1de3e1b8a56df4f9195"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:opencats:opencats:0.9.7:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.9.7"
                      },
                      {
                        "last_affected": "0.9.7"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.9.7",
            "opencats-0.9.7"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-26846.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:37.451294435Z",
      "provider": "osv",
      "references": [
        "https://github.com/cassis-sec/CVE/tree/main/2023/CVE-2023-26846",
        "https://opencats.org",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/26xxx/CVE-2023-26846.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-26846"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/26xxx/CVE-2023-26846.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-26846",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 504906,
  "published_at": "2023-04-11T00:00:00+00:00"
}