Security advisory

{
  "id": "c13ef029772e9e1c584d98ded9ab77a221255bac6f93e81cdc3239aee3a9d1c9",
  "url": "https://osv.dev/vulnerability/CVE-2021-22241",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-22241",
    "summary": "An issue has been discovered in GitLab CE/EE affecting all versions starting from 14.0. It was possible to exploit a stored cross-site-scripting via a specifically crafted default branch name.",
    "evidence": "osv:CVE-2021-22241",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-22241",
      "aliases": [
        "BIT-gitlab-2021-22241",
        "CVE-2021-22241"
      ],
      "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://gitlab.com/gitlab-org/gitlab",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0034acfc891b0cbc2ecc4aa4c5ca0d1f89e3c32f"
                },
                {
                  "fixed": "2124823be81f07274ec34739351f84565c7064bb"
                },
                {
                  "introduced": "e4567ef4362f4ef24a09112564b31dfe9044ea12"
                },
                {
                  "fixed": "0bf9b154ab444113db7b13c8d6c6ae856d7893e6"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                    "range": [
                      {
                        "introduced": "14.0.0"
                      },
                      {
                        "fixed": "14.0.7"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "14.0.0"
                      },
                      {
                        "fixed": "14.0.7"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                    "range": [
                      {
                        "introduced": "14.1.0"
                      },
                      {
                        "fixed": "14.1.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "14.1.0"
                      },
                      {
                        "fixed": "14.1.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v14.0.5-ee",
            "v14.1.1-ee",
            "v14.1.0-ee",
            "v14.0.6-ee",
            "v14.0.3-ee",
            "v14.0.1-ee",
            "v14.0.0-ee"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-22241.json"
          }
        }
      ],
      "modified": "2026-10-30T10:30:19.654463683Z",
      "provider": "osv",
      "references": [
        "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22241.json",
        "https://gitlab.com/gitlab-org/gitlab/-/issues/336460",
        "https://hackerone.com/reports/1256777"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-22241",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 430130,
  "published_at": "2021-08-05T20:15:07.87+00:00"
}