Security advisory

{
  "id": "91c4f7152f238ca3fa48cb28938bc2079aaa8575f755b9824af77f93ea12e593",
  "url": "https://osv.dev/vulnerability/CVE-2023-27131",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-27131",
    "summary": "Cross Site Scripting vulnerability found in Typecho v.1.2.0 allows a remote attacker to execute arbitrary code viathe Post Editorparameter.",
    "evidence": "osv:CVE-2023-27131",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-27131",
      "aliases": [
        "CVE-2023-27131"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/typecho/typecho",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "4be93f27415404caf7fd7bbaafd84a9293cd017c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:typecho:typecho:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.2.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.2.0",
            "v1.2.0-rc.2",
            "v1.2.0-rc.1",
            "ci",
            "v1.2.0-beta.2",
            "v1.2.0-beta.1",
            "v1.1-17.10.30-release",
            "v1.1-17.10.29-release",
            "v1.1-17.10.24-beta",
            "v1.1-15.5.12-beta",
            "v1.0-14.10.10-release",
            "v1.0-14.10.9-release",
            "v0.9-14.5.25-beta",
            "v0.9-13.12.12-release",
            "v0.9-13.12.10-release",
            "v0.9-13.12.1-beta"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-27131.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:23.730775021Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/27xxx/CVE-2023-27131.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-27131",
        "https://github.com/typecho/typecho/issues/1536"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/27xxx/CVE-2023-27131.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-27131",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 489912,
  "published_at": "2023-03-16T00:00:00+00:00"
}