{
  "id": "CVE-2023-23921",
  "sourceIdentifier": "patrick@puiterwijk.org",
  "published": "2023-02-17T20:15:11.807",
  "lastModified": "2024-11-21T07:47:06.267",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The vulnerability was found Moodle which exists due to insufficient sanitization of user-supplied data in some returnurl parameters. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website. This flaw allows a remote attacker to perform cross-site scripting (XSS) attacks."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7
      }
    ]
  },
  "weaknesses": [
    {
      "source": "patrick@puiterwijk.org",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    },
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "3.9.0",
              "versionEndExcluding": "3.9.19",
              "matchCriteriaId": "7EF7672C-DBD1-49E5-8005-17CC6ACA0F83"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "3.11.0",
              "versionEndExcluding": "3.11.12",
              "matchCriteriaId": "C162F159-0BA5-4ECA-85AD-364554A07AAA"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "4.0.0",
              "versionEndExcluding": "4.0.6",
              "matchCriteriaId": "E4481A07-1EB0-46C5-9015-E02A705C1A8F"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:moodle:moodle:4.1.0:-:*:*:*:*:*:*",
              "matchCriteriaId": "D2B926AF-E5E5-466B-B507-99F995EA25F9"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76810",
      "source": "patrick@puiterwijk.org",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2162526",
      "source": "patrick@puiterwijk.org",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://moodle.org/mod/forum/discuss.php?d=443272#p1782021",
      "source": "patrick@puiterwijk.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76810",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2162526",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://moodle.org/mod/forum/discuss.php?d=443272#p1782021",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    }
  ]
}