{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "11.11.0"
              },
              {
                "fixed": "11.11.7"
              },
              {
                "introduced": "11.11.0"
              },
              {
                "fixed": "11.11.7"
              },
              {
                "introduced": "12.0.0"
              },
              {
                "fixed": "12.0.4"
              },
              {
                "introduced": "12.0.0"
              },
              {
                "fixed": "12.0.4"
              },
              {
                "introduced": "12.1.0"
              },
              {
                "fixed": "12.1.2"
              },
              {
                "introduced": "12.1.0"
              },
              {
                "fixed": "12.1.2"
              }
            ]
          },
          "events": [
            {
              "introduced": "deb6f84e91fe4d21daa6b5558c517254ea2668a3"
            },
            {
              "fixed": "c7143c6ecb8a02dcd57855db824b7a470408f15a"
            },
            {
              "introduced": "deb6f84e91fe4d21daa6b5558c517254ea2668a3"
            },
            {
              "fixed": "c7143c6ecb8a02dcd57855db824b7a470408f15a"
            },
            {
              "introduced": "3b13818e8330f68625d80d9bf5d8049c41fbe197"
            },
            {
              "fixed": "38ffa850dd81d9f41c9fbc86dfb73135236ebe87"
            },
            {
              "introduced": "3b13818e8330f68625d80d9bf5d8049c41fbe197"
            },
            {
              "fixed": "38ffa850dd81d9f41c9fbc86dfb73135236ebe87"
            },
            {
              "introduced": "1f2e6f3f6d84b8eab5526acdd69c38f5b78c3b0e"
            },
            {
              "fixed": "d7aa668babded1e4e23922e8660762ddb845ebf1"
            },
            {
              "introduced": "1f2e6f3f6d84b8eab5526acdd69c38f5b78c3b0e"
            },
            {
              "fixed": "d7aa668babded1e4e23922e8660762ddb845ebf1"
            }
          ],
          "repo": "https://gitlab.com/gitlab-org/gitlab",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "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.",
  "id": "CVE-2019-5471",
  "modified": "2026-04-01T23:09:43.159241499Z",
  "published": "2019-09-09T18:15:10.653Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://about.gitlab.com/2019/07/29/security-release-gitlab-12-dot-1-dot-2-released/"
    },
    {
      "type": "EVIDENCE",
      "url": "https://gitlab.com/gitlab-org/gitlab-ee/issues/11515"
    },
    {
      "type": "EVIDENCE",
      "url": "https://hackerone.com/reports/496973"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}