fkie_cve-2019-12830
Vulnerability from fkie_nvd
Published
2019-06-15 18:29
Modified
2024-11-21 04:23
Severity ?
8.7 (High) - CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Summary
In MyBB before 1.8.21, an attacker can exploit a parsing flaw in the Private Message / Post renderer that leads to [video] BBCode persistent XSS to take over any forum account, aka a nested video MyCode issue.
References
cve@mitre.orghttps://blog.mybb.com/2019/06/10/mybb-1-8-21-released-security-maintenance-release/Release Notes, Third Party Advisory
cve@mitre.orghttps://blog.ripstech.com/2019/mybb-stored-xss-to-rce/Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://blog.mybb.com/2019/06/10/mybb-1-8-21-released-security-maintenance-release/Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://blog.ripstech.com/2019/mybb-stored-xss-to-rce/Exploit, Vendor Advisory
Impacted products
Vendor Product Version
mybb mybb *


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "438D60BF-E8A0-41F9-AE8E-B17569ECD586",
                     versionEndExcluding: "1.8.21",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "In MyBB before 1.8.21, an attacker can exploit a parsing flaw in the Private Message / Post renderer that leads to [video] BBCode persistent XSS to take over any forum account, aka a nested video MyCode issue.",
      },
      {
         lang: "es",
         value: "En MyBB anterior a 1.8.21, un atacante puede aprovechar un fallo de análisis en el renderizador de Publicación y Mensaje Privado que conlleva a un ataque XSS persistente de BBCode de [video] para controlar cualquier cuenta del foro, también se conoce como un problema de video anidado de MyCode.",
      },
   ],
   id: "CVE-2019-12830",
   lastModified: "2024-11-21T04:23:40.527",
   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,
         },
      ],
      cvssMetricV30: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "NONE",
               baseScore: 8.7,
               baseSeverity: "HIGH",
               confidentialityImpact: "HIGH",
               integrityImpact: "HIGH",
               privilegesRequired: "LOW",
               scope: "CHANGED",
               userInteraction: "REQUIRED",
               vectorString: "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N",
               version: "3.0",
            },
            exploitabilityScore: 2.3,
            impactScore: 5.8,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2019-06-15T18:29:00.220",
   references: [
      {
         source: "cve@mitre.org",
         tags: [
            "Release Notes",
            "Third Party Advisory",
         ],
         url: "https://blog.mybb.com/2019/06/10/mybb-1-8-21-released-security-maintenance-release/",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Exploit",
            "Vendor Advisory",
         ],
         url: "https://blog.ripstech.com/2019/mybb-stored-xss-to-rce/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Release Notes",
            "Third Party Advisory",
         ],
         url: "https://blog.mybb.com/2019/06/10/mybb-1-8-21-released-security-maintenance-release/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Exploit",
            "Vendor Advisory",
         ],
         url: "https://blog.ripstech.com/2019/mybb-stored-xss-to-rce/",
      },
   ],
   sourceIdentifier: "cve@mitre.org",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-79",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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