{
  "schema_version": "1.4.0",
  "id": "GHSA-j9cw-5cpj-9qj5",
  "modified": "2023-03-13T22:06:44Z",
  "published": "2023-03-07T00:30:25Z",
  "aliases": [
    "CVE-2021-36403"
  ],
  "summary": "Moodle has a Hidden Functionality vulnerability",
  "details": "In Moodle, in some circumstances, email notifications of messages could have the link back to the original message hidden by HTML, which may pose a phishing risk.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "moodle/moodle"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "3.11.0-beta"
            },
            {
              "fixed": "3.11.1"
            }
          ]
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "moodle/moodle"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "3.10.0-beta"
            },
            {
              "fixed": "3.10.5"
            }
          ]
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "moodle/moodle"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.9.8"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-36403"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/moodle/moodle"
    },
    {
      "type": "WEB",
      "url": "https://moodle.org/mod/forum/discuss.php?d=424809"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-912"
    ],
    "severity": "MODERATE",
    "github_reviewed": true,
    "github_reviewed_at": "2023-03-08T00:16:56Z",
    "nvd_published_at": "2023-03-06T23:15:00Z"
  }
}