ubuntu-cve-2021-20280
Vulnerability from osv_ubuntu
Published
2021-03-15 22:15
Modified
2025-10-24 04:50
Summary
Details

Text-based feedback answers required additional sanitizing to prevent stored XSS and blind SSRF risks in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.

Severity
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "moodle",
            "binary_version": "3.0.3+dfsg-0ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "moodle",
        "purl": "pkg:deb/ubuntu/moodle@3.0.3+dfsg-0ubuntu1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.7.9+dfsg-1",
        "2.7.10+dfsg-1",
        "2.7.11+dfsg-1",
        "2.7.11+dfsg-2",
        "2.7.12+dfsg-1",
        "3.0.3+dfsg-0ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "moodle",
            "binary_version": "3.0.3+dfsg-0ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "moodle",
        "purl": "pkg:deb/ubuntu/moodle@3.0.3+dfsg-0ubuntu1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.0.3+dfsg-0ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "Text-based feedback answers required additional sanitizing to prevent stored XSS and blind SSRF risks in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.",
  "id": "UBUNTU-CVE-2021-20280",
  "modified": "2025-10-24T04:50:05Z",
  "published": "2021-03-15T22:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-20280"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1939037"
    },
    {
      "type": "REPORT",
      "url": "https://moodle.org/mod/forum/discuss.php?d=419651"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-20280"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-20280"
  ]
}



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