fkie_cve-2021-27279
Vulnerability from fkie_nvd
Published
2021-02-22 20:15
Modified
2024-11-21 05:57
Severity ?
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Summary
MyBB before 1.8.25 allows stored XSS via nested [email] tags with MyCode (aka BBCode).
References
cve@mitre.orghttps://github.com/mybb/mybb/commit/cb781b49116bf5c4d8deca3e17498122b701677aPatch, Third Party Advisory
cve@mitre.orghttps://github.com/mybb/mybb/security/advisories/GHSA-6483-hcpp-p75wExploit, Third Party Advisory
cve@mitre.orghttps://mybb.com/versions/1.8.25/Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/mybb/mybb/commit/cb781b49116bf5c4d8deca3e17498122b701677aPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/mybb/mybb/security/advisories/GHSA-6483-hcpp-p75wExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://mybb.com/versions/1.8.25/Release Notes, Vendor Advisory
Impacted products
Vendor Product Version
mybb mybb *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F8B31EA3-CFEA-43B3-8348-397BED3FD568",
              "versionEndExcluding": "1.8.25",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "MyBB before 1.8.25 allows stored XSS via nested [email] tags with MyCode (aka BBCode)."
    },
    {
      "lang": "es",
      "value": "MyBB versiones anteriores a 1.8.25, permite un ataque de tipo XSS almacenado por medio de etiquetas [correo electr\u00f3nico] anidadas con MyCode (tambi\u00e9n se conoce como BBCode)"
    }
  ],
  "id": "CVE-2021-27279",
  "lastModified": "2024-11-21T05:57:45.090",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "NONE",
          "baseScore": 3.5,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 6.8,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-02-22T20:15:13.243",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/mybb/mybb/commit/cb781b49116bf5c4d8deca3e17498122b701677a"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://github.com/mybb/mybb/security/advisories/GHSA-6483-hcpp-p75w"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://mybb.com/versions/1.8.25/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/mybb/mybb/commit/cb781b49116bf5c4d8deca3e17498122b701677a"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://github.com/mybb/mybb/security/advisories/GHSA-6483-hcpp-p75w"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://mybb.com/versions/1.8.25/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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