Security advisory

{
  "id": "a2747bca3b59c5d0011870058cc7a00dbdd80e0e74182525f559d4e59141db1a",
  "url": "https://osv.dev/vulnerability/CVE-2021-28378",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-28378",
    "summary": "Gitea 1.12.x and 1.13.x before 1.13.4 allows XSS via certain issue data in some situations.",
    "evidence": "osv:CVE-2021-28378",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-28378",
      "aliases": [
        "BIT-gitea-2021-28378",
        "CVE-2021-28378",
        "GHSA-g95p-88p4-76cm",
        "GO-2022-0832"
      ],
      "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/go-gitea/gitea",
              "type": "GIT",
              "events": [
                {
                  "introduced": "d6657644a96417d2e771a2891a54e99e686be0a3"
                },
                {
                  "last_affected": "53b89c34742855e0c5a7f989d6506f02791678af"
                },
                {
                  "introduced": "03b7e11bd6125d4128cf99bc408723d1548f0613"
                },
                {
                  "fixed": "75496b9ff507ca5e9b7665f888f1156485e6532d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.12.0"
                      },
                      {
                        "last_affected": "1.12.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.13.0"
                      },
                      {
                        "fixed": "1.13.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.13.3",
            "v1.13.2",
            "v1.13.1",
            "v1.13.0",
            "v1.12.6",
            "v1.13.0-rc2",
            "v1.13.0-rc1",
            "v1.12.5",
            "v1.12.4",
            "v1.12.3",
            "v1.12.2",
            "v1.12.1",
            "v1.12.0",
            "v1.12.0-rc2",
            "v1.12.0-rc1",
            "v1.13.0-dev",
            "v1.12.0-dev"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-28378.json"
          }
        }
      ],
      "modified": "2026-10-27T02:45:04.930205818Z",
      "provider": "osv",
      "references": [
        "https://blog.gitea.io/2021/03/gitea-1.13.4-is-released/",
        "https://github.com/go-gitea/gitea/pull/14898",
        "https://github.com/PandatiX/CVE-2021-28378"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "gitea:gitea",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "1.12.0"
                  },
                  {
                    "last_affected": "1.12.6"
                  },
                  {
                    "introduced": "1.13.0"
                  },
                  {
                    "fixed": "1.13.4"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-28378",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 460090,
  "published_at": "2021-03-15T06:15:12.423+00:00"
}