Cross-site Scripting with Markdown rendering in CoCalc

{
  "id": "67fff4ca9fd491760894c0a031aaa6e0c24589012aa45cb56a72bfd3a9033982",
  "url": "https://osv.dev/vulnerability/CVE-2024-36109",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Cross-site Scripting with Markdown rendering in CoCalc",
    "summary": "CoCalc is web-based software that enables collaboration in research, teaching, and scientific publishing. In affected versions the markdown parser allows `",
    "evidence": "osv:CVE-2024-36109",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2024-36109",
      "aliases": [
        "CVE-2024-36109",
        "GHSA-8w44-hggw-p5rf"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/sagemathinc/cocalc",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "419862a9c9879c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "419862a9c9879c"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-36109.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:29.814795031Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/36xxx/CVE-2024-36109.json",
        "https://github.com/sagemathinc/cocalc/security/advisories/GHSA-8w44-hggw-p5rf",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-36109",
        "https://github.com/sagemathinc/cocalc/commit/419862a9c9879c"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "GitHub_M",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "419862a9c9879c"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StringRangeExpression"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/36xxx/CVE-2024-36109.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-36109",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 496618,
  "published_at": "2024-05-28T18:40:55.068+00:00"
}