{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "moodle/moodle"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.9"
            },
            {
              "fixed": "3.9.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "moodle/moodle"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.8"
            },
            {
              "fixed": "3.8.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "moodle/moodle"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.7"
            },
            {
              "fixed": "3.7.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-25631"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-04-23T23:37:54Z",
    "nvd_published_at": "2020-12-08T01:15:00Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability was found in Moodle 3.9 to 3.9.1, 3.8 to 3.8.4 and 3.7 to 3.7.7 where it was possible to include JavaScript in a book\u0027s chapter title, which was not escaped on the \"Add new chapter\" page. This is fixed in 3.9.2, 3.8.5 and 3.7.8.",
  "id": "GHSA-4w4j-9533-82qg",
  "modified": "2024-04-23T23:37:54Z",
  "published": "2022-05-24T17:35:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-25631"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/moodle/moodle"
    },
    {
      "type": "WEB",
      "url": "https://moodle.org/mod/forum/discuss.php?d=410843"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Moodle Cross-site Scripting (XSS)"
}