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 electrónico] anidadas con MyCode (también 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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