Security advisory

{
  "id": "b127e1ca1de95e6530b9a4449a5a437a79633249a71246e6b2172bcbb4a11843",
  "url": "https://osv.dev/vulnerability/CVE-2020-35305",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-35305",
    "summary": "Cross site scripting (XSS) in gollum 5.0 to 5.1.2 via the filename parameter to the 'New Page' dialog.",
    "evidence": "osv:CVE-2020-35305",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-35305",
      "aliases": [
        "CVE-2020-35305",
        "GHSA-fj2w-qmjp-3rjm"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/gollum/gollum",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0eee014a8bf987d1dca1abdd521e6df48438eb0b"
                },
                {
                  "last_affected": "bfbfb21c177f5f6219b9f1c48b459448742ca909"
                },
                {
                  "fixed": "bfbfb21c177f5f6219b9f1c48b459448742ca909"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gollum_project:gollum:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.0.0"
                      },
                      {
                        "last_affected": "5.1.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "bfbfb21c177f5f6219b9f1c48b459448742ca909"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v5.1.2"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v5.1.1",
            "v5.1",
            "v5.0.1",
            "v5.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-35305.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:20.041771828Z",
      "provider": "osv",
      "references": [
        "https://github.com/Szarny/",
        "https://github.com/gollum/",
        "https://github.com/gollum/gollum/releases/tag/v5.1.2"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-35305",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385068,
  "published_at": "2022-07-15T14:15:09.343+00:00"
}