CVE-2021-27279

{"id": "CVE-2021-27279", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 3.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 6.8, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.3}]}, "published": "2021-02-22T20:15:13.243", "references": [{"url": "https://github.com/mybb/mybb/commit/cb781b49116bf5c4d8deca3e17498122b701677a", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/mybb/mybb/security/advisories/GHSA-6483-hcpp-p75w", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://mybb.com/versions/1.8.25/", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-79"}]}], "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)"}], "lastModified": "2021-02-26T15:37:45.260", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F8B31EA3-CFEA-43B3-8348-397BED3FD568", "versionEndExcluding": "1.8.25"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}