Security advisory

{
  "id": "ed4a101ca6de03167966d738fcdce13251950ff623fbbb478725053e60c9006e",
  "url": "https://osv.dev/vulnerability/CVE-2018-10891",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-10891",
    "summary": "A flaw was found in moodle before versions 3.5.1, 3.4.4, 3.3.7, 3.1.13. When a quiz question bank is imported, it was possible for the question preview that is displayed to execute JavaScript that is written into the question bank.",
    "evidence": "osv:CVE-2018-10891",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2018-10891",
      "aliases": [
        "CVE-2018-10891",
        "GHSA-p7v9-gjrh-563x"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/moodle/moodle",
              "type": "GIT",
              "events": [
                {
                  "introduced": "268abfacc54c4cbf9722c1502569b311c7caefff"
                },
                {
                  "fixed": "b19d180a869d69c66d3f6c72c35ddc9c8dafb935"
                },
                {
                  "introduced": "b87a580aa3eb23d5f05d7f619fc40a89e0f86fe5"
                },
                {
                  "fixed": "027b757f20c8e50d6fec2ef6f1ff2d85075690fc"
                },
                {
                  "introduced": "665c3ac59c35b7387a4fc70b8ac6600ce9ffeb87"
                },
                {
                  "fixed": "5ebb6eb15c250e175e2079bce5bb1c74eae29477"
                },
                {
                  "introduced": "46574904afd39578fa4146bf1fc5c401ac680aa6"
                },
                {
                  "fixed": "5b78584fdbda65ac516f39f9e66f9376a793de92"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.1"
                      },
                      {
                        "fixed": "3.1.13"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.3"
                      },
                      {
                        "fixed": "3.3.7"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.4"
                      },
                      {
                        "fixed": "3.4.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.5"
                      },
                      {
                        "fixed": "3.5.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v3.4.3",
            "v3.5.0",
            "v3.3.6",
            "v3.1.12",
            "v3.1.11",
            "v3.4.2",
            "v3.3.5",
            "v3.4.1",
            "v3.3.4",
            "v3.1.10",
            "v3.4.0",
            "v3.1.9",
            "v3.3.3",
            "v3.1.8",
            "v3.3.2",
            "v3.3.1",
            "v3.1.7",
            "v3.1.6",
            "v3.3.0",
            "v3.1.5",
            "v3.1.4",
            "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-2018-10891.json"
          }
        }
      ],
      "modified": "2026-10-24T10:31:03.094074814Z",
      "provider": "osv",
      "references": [
        "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10891",
        "https://moodle.org/mod/forum/discuss.php?d=373371"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-10891",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 440171,
  "published_at": "2018-07-10T18:29:00.313+00:00"
}