Security advisory

{
  "id": "93ec90a8cbda1af97c69fcaf06886c559a3978f2da94005d1caaca6db4c674d4",
  "url": "https://osv.dev/vulnerability/CVE-2019-5471",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-5471",
    "summary": "An input validation and output encoding issue was discovered in the GitLab email notification feature which could result in a persistent XSS. This was addressed in GitLab 12.1.2, 12.0.4, and 11.11.6.",
    "evidence": "osv:CVE-2019-5471",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2019-5471",
      "aliases": [
        "CVE-2019-5471"
      ],
      "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": "deb6f84e91fe4d21daa6b5558c517254ea2668a3"
                },
                {
                  "fixed": "c7143c6ecb8a02dcd57855db824b7a470408f15a"
                },
                {
                  "introduced": "3b13818e8330f68625d80d9bf5d8049c41fbe197"
                },
                {
                  "fixed": "38ffa850dd81d9f41c9fbc86dfb73135236ebe87"
                },
                {
                  "introduced": "1f2e6f3f6d84b8eab5526acdd69c38f5b78c3b0e"
                },
                {
                  "fixed": "d7aa668babded1e4e23922e8660762ddb845ebf1"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                    "range": [
                      {
                        "introduced": "11.11.0"
                      },
                      {
                        "fixed": "11.11.7"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "11.11.0"
                      },
                      {
                        "fixed": "11.11.7"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                    "range": [
                      {
                        "introduced": "12.0.0"
                      },
                      {
                        "fixed": "12.0.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "12.0.0"
                      },
                      {
                        "fixed": "12.0.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                    "range": [
                      {
                        "introduced": "12.1.0"
                      },
                      {
                        "fixed": "12.1.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "12.1.0"
                      },
                      {
                        "fixed": "12.1.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v12.1.1-ee",
            "v12.1.0-ee",
            "v11.11.5-ee",
            "v12.0.3-ee",
            "v11.11.4-ee",
            "v12.0.2-ee",
            "v12.0.1-ee",
            "v12.0.0-ee",
            "v11.11.3-ee",
            "v11.11.2-ee",
            "v11.11.1-ee",
            "v11.11.0-ee"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-5471.json"
          }
        }
      ],
      "modified": "2026-10-30T10:30:59.279565803Z",
      "provider": "osv",
      "references": [
        "https://about.gitlab.com/2019/07/29/security-release-gitlab-12-dot-1-dot-2-released/",
        "https://gitlab.com/gitlab-org/gitlab-ee/issues/11515",
        "https://hackerone.com/reports/496973"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-5471",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 433534,
  "published_at": "2019-09-09T18:15:10.653+00:00"
}