{"id":"CVE-2021-26628","state":"PUBLISHED","title":"MaxBoard XSS and File Upload Vulnerability","description":"Insufficient script validation of the admin page enables XSS, which causes unauthorized users to steal admin privileges. When uploading file in a specific menu, the verification of the files is insufficient. It allows remote attackers to upload arbitrary files disguising them as image files.","publishedAt":"2022-04-26T18:21:05.000Z","updatedAt":"2024-08-03T20:26:25.490Z","severity":{"score":8.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","source":"krcert"},"assigner":"krcert","products":["No Vendor Information MaxBoard"],"affected":[{"vendor":"No Vendor Information","product":"MaxBoard","versions":[{"version":"unspecified","status":"affected","lessThanOrEqual":"1.9.6","versionType":"custom"}],"platforms":["Linux"]}],"references":["https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66673"],"weaknesses":["CWE-79","CWE-434"],"ingestedAt":"2026-10-29T19:48:13.210Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/26xxx/CVE-2021-26628.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-26628","state":"PUBLISHED","datePublished":"2022-04-26T18:21:05.000Z","dateUpdated":"2024-08-03T20:26:25.490Z","assignerShortName":"krcert","assignerOrgId":"cdd7a122-0fae-4202-8d86-14efbacc2863","dateReserved":"2021-02-03T00:00:00.000Z"},"containers":{"cna":{"title":"MaxBoard XSS and File Upload Vulnerability","descriptions":[{"lang":"en","value":"Insufficient script validation of the admin page enables XSS, which causes unauthorized users to steal admin privileges. When uploading file in a specific menu, the verification of the files is insufficient. It allows remote attackers to upload arbitrary files disguising them as image files."}],"affected":[{"vendor":"No Vendor Information","product":"MaxBoard","versions":[{"version":"unspecified","status":"affected","lessThanOrEqual":"1.9.6","versionType":"custom"}],"platforms":["Linux"]}],"references":[{"url":"https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66673","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"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:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","description":"CWE-79 Cross-site Scripting (XSS)","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-434","description":"CWE-434 Unrestricted Upload of File with Dangerous Type","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"krcert","dateUpdated":"2022-04-26T18:21:05.000Z","orgId":"cdd7a122-0fae-4202-8d86-14efbacc2863"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"vuln@krcert.or.kr","ID":"CVE-2021-26628","STATE":"PUBLIC","TITLE":"MaxBoard XSS and File Upload Vulnerability"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"MaxBoard","version":{"version_data":[{"platform":"Linux","version_affected":"<=","version_value":"1.9.6"}]}}]},"vendor_name":"No Vendor Information"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Insufficient script validation of the admin page enables XSS, which causes unauthorized users to steal admin privileges. When uploading file in a specific menu, the verification of the files is insufficient. It allows remote attackers to upload arbitrary files disguising them as image files."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"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:N","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-79 Cross-site Scripting (XSS)"}]},{"description":[{"lang":"eng","value":"CWE-434 Unrestricted Upload of File with Dangerous Type"}]}]},"references":{"reference_data":[{"name":"https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66673","refsource":"MISC","url":"https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66673"}]},"source":{"discovery":"UNKNOWN"}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66673","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T20:26:25.490Z"}}]}}}