CVE-2021-27890

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:*", "matchCriteriaId": "E92578FF-AAA5-4F8F-8D78-0662DB9BB02C", "versionEndExcluding": "1.8.26", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "SQL Injection vulnerablity in MyBB before 1.8.26 via theme properties included in theme XML files."}, {"lang": "es", "value": "Una vulnerabilidad de inyecci\u00f3n SQL en MyBB versiones anteriores a 1.8.26, mediante las propiedades del tema incluyendo en los archivos XML del tema"}], "id": "CVE-2021-27890", "lastModified": "2026-06-17T03:45:34.017", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-03-15T18:15:18.707", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/161908/MyBB-1.8.25-Remote-Command-Execution.html"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://blog.sonarsource.com/mybb-remote-code-execution-chain"}, {"source": "cve@mitre.org", "tags": ["Patch", "Release Notes", "Third Party Advisory"], "url": "https://github.com/mybb/mybb/security/advisories/GHSA-r34m-ccm8-mfhq"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/161908/MyBB-1.8.25-Remote-Command-Execution.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://blog.sonarsource.com/mybb-remote-code-execution-chain"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Release Notes", "Third Party Advisory"], "url": "https://github.com/mybb/mybb/security/advisories/GHSA-r34m-ccm8-mfhq"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-89"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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