Security advisory

{
  "id": "936f4f93e03941f325209488bde2778d9ef92803db2480fa435728930168807e",
  "url": "https://osv.dev/vulnerability/CVE-2018-1136",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-1136",
    "summary": "An issue was discovered in Moodle 3.x. An authenticated user is allowed to add HTML blocks containing scripts to their Dashboard; this is normally not a security issue because a personal dashboard is visible to this user only. Through this security vulnerability, users can move such a block to other pages where they can be viewed by other users.",
    "evidence": "osv:CVE-2018-1136",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-1136",
      "aliases": [
        "CVE-2018-1136",
        "GHSA-xhfw-wjjc-4j5h"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/moodle/moodle",
              "type": "GIT",
              "events": [
                {
                  "introduced": "268abfacc54c4cbf9722c1502569b311c7caefff"
                },
                {
                  "last_affected": "e25e165231ed061c4278ce3694d2e1e4d4d3d142"
                },
                {
                  "introduced": "b182239f21c38ea57cddb41b0c03ef3eb02709f8"
                },
                {
                  "last_affected": "2a591e36a9783c364d1c55d8988b5630d073bc93"
                },
                {
                  "introduced": "b87a580aa3eb23d5f05d7f619fc40a89e0f86fe5"
                },
                {
                  "last_affected": "e786a591d538204fad37f188018f8c82f69a28f2"
                },
                {
                  "introduced": "665c3ac59c35b7387a4fc70b8ac6600ce9ffeb87"
                },
                {
                  "last_affected": "c485e424475b41d3ae55cc3c742fed9cd19a1e75"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.1.0"
                      },
                      {
                        "last_affected": "3.1.11"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.2.0"
                      },
                      {
                        "last_affected": "3.2.8"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.3.0"
                      },
                      {
                        "last_affected": "3.3.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.4.0"
                      },
                      {
                        "last_affected": "3.4.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v3.2.8",
            "v3.1.11",
            "v3.4.2",
            "v3.3.5",
            "v3.4.1",
            "v3.3.4",
            "v3.1.10",
            "v3.2.7",
            "v3.4.0",
            "v3.1.9",
            "v3.3.3",
            "v3.2.6",
            "v3.1.8",
            "v3.2.5",
            "v3.3.2",
            "v3.3.1",
            "v3.2.4",
            "v3.1.7",
            "v3.1.6",
            "v3.3.0",
            "v3.2.3",
            "v3.1.5",
            "v3.2.2",
            "v3.2.1",
            "v3.1.4",
            "v3.2.0",
            "v3.1.3",
            "v3.1.2",
            "v3.1.1",
            "v3.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-1136.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:16.601750344Z",
      "provider": "osv",
      "references": [
        "https://moodle.org/mod/forum/discuss.php?d=371202"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-1136",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 429382,
  "published_at": "2018-05-25T12:29:00.37+00:00"
}