FKIE_CVE-2018-1136

Vulnerability from fkie_nvd - Published: 2018-05-25 12:29 - Updated: 2026-06-17 01:50
Severity
4.3 (Medium) - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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.
References
secalert@redhat.comhttp://www.securityfocus.com/bid/104307Third Party Advisory, VDB Entry
secalert@redhat.comhttps://moodle.org/mod/forum/discuss.php?d=371202Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/104307Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://moodle.org/mod/forum/discuss.php?d=371202Vendor Advisory
Impacted products
Vendor Product Version
moodle moodle *
moodle moodle *
moodle moodle *
moodle moodle *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Moodle 3.x unknown",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Moodle 3.x unknown"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "075775AB-928E-42E6-A8C8-90C151B1F031",
              "versionEndIncluding": "3.1.11",
              "versionStartIncluding": "3.1.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "56C70846-B851-4FB8-AD01-88318B41DE70",
              "versionEndIncluding": "3.2.8",
              "versionStartIncluding": "3.2.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "ABAE5044-56A2-4243-A7C1-2219DC62D1C5",
              "versionEndIncluding": "3.3.5",
              "versionStartIncluding": "3.3.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "852FF021-18B1-4273-ACD9-0E1C53AC39EC",
              "versionEndIncluding": "3.4.2",
              "versionStartIncluding": "3.4.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto un problema en Moodle 3.x. Un usuario autenticado puede a\u00f1adir bloques HTML que contienen scripts a su Dashboard; esto no suele suponer un problema de seguridad porque los dashboards personales solo son visibles para este usuario. Mediante esta vulnerabilidad de seguridad, los usuarios pueden mover estos bloques a otras p\u00e1ginas, donde pueden ser vistos por otros usuarios."
    }
  ],
  "id": "CVE-2018-1136",
  "lastModified": "2026-06-17T01:50:33.893",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "NONE",
          "baseScore": 4.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-05-25T12:29:00.370",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/104307"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://moodle.org/mod/forum/discuss.php?d=371202"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/104307"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://moodle.org/mod/forum/discuss.php?d=371202"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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