{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2021-47888", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-01-18T12:35:05.173Z", "datePublished": "2026-01-23T16:47:34.814Z", "dateUpdated": "2026-03-05T01:29:07.497Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-03-05T01:29:07.497Z"}, "datePublic": "2021-03-03T00:00:00.000Z", "title": "Textpattern 4.8.3 - Remote code execution", "descriptions": [{"lang": "en", "value": "Textpattern versions prior to 4.8.3 contain an authenticated remote code execution vulnerability that allows logged-in users to upload malicious PHP files. Attackers can upload a PHP file with a shell command execution payload and execute arbitrary commands by accessing the uploaded file through a specific URL parameter."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Unrestricted Upload of File with Dangerous Type", "cweId": "CWE-434", "type": "CWE"}]}], "affected": [{"vendor": "The Textpattern Development Team", "product": "Textpattern", "versions": [{"version": "4.8.3", "status": "affected"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:textpattern:textpattern:4.8.3:*:*:*:*:*:*:*"}]}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 8.7, "baseSeverity": "HIGH", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS"}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS"}], "references": [{"url": "https://www.exploit-db.com/exploits/49620", "name": "ExploitDB-49620", "tags": ["exploit"]}, {"url": "https://textpattern.com/", "name": "Official Vendor Homepage", "tags": ["product"]}, {"url": "https://textpattern.com/start", "name": "Textpattern Software Download Page", "tags": ["product"]}, {"name": "VulnCheck Advisory: Textpattern 4.8.3 - Remote code execution", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/textpattern-remote-code-execution"}], "credits": [{"lang": "en", "value": "Ricardo Ruiz (@ricardojoserf)", "type": "finder"}], "x_generator": {"engine": "vulncheck"}}, "adp": [{"references": [{"url": "https://www.exploit-db.com/exploits/49620", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-01-23T20:50:58.444210Z", "id": "CVE-2021-47888", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-23T21:49:56.478Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47888", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-01-23T20:50:58.444210Z"}}}], "references": [{"url": "https://www.exploit-db.com/exploits/49620", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-23T21:08:34.145Z"}}], "cna": {"title": "Textpattern 4.8.3 - Remote code execution", "credits": [{"lang": "en", "type": "finder", "value": "Ricardo Ruiz (@ricardojoserf)"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.7, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}}, {"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "The Textpattern Development Team", "product": "Textpattern", "versions": [{"status": "affected", "version": "4.8.3"}]}], "datePublic": "2021-03-03T00:00:00.000Z", "references": [{"url": "https://www.exploit-db.com/exploits/49620", "name": "ExploitDB-49620", "tags": ["exploit"]}, {"url": "https://textpattern.com/", "name": "Official Vendor Homepage", "tags": ["product"]}, {"url": "https://textpattern.com/start", "name": "Textpattern Software Download Page", "tags": ["product"]}, {"url": "https://www.vulncheck.com/advisories/textpattern-remote-code-execution", "name": "VulnCheck Advisory: Textpattern 4.8.3 - Remote code execution", "tags": ["third-party-advisory"]}], "x_generator": {"engine": "vulncheck"}, "descriptions": [{"lang": "en", "value": "Textpattern versions prior to 4.8.3 contain an authenticated remote code execution vulnerability that allows logged-in users to upload malicious PHP files. Attackers can upload a PHP file with a shell command execution payload and execute arbitrary commands by accessing the uploaded file through a specific URL parameter."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-434", "description": "Unrestricted Upload of File with Dangerous Type"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:textpattern:textpattern:4.8.3:*:*:*:*:*:*:*", "vulnerable": true}], "operator": "OR"}]}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-03-05T01:29:07.497Z"}}}, "cveMetadata": {"cveId": "CVE-2021-47888", "state": "PUBLISHED", "dateUpdated": "2026-03-05T01:29:07.497Z", "dateReserved": "2026-01-18T12:35:05.173Z", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "datePublished": "2026-01-23T16:47:34.814Z", "assignerShortName": "VulnCheck"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Textpattern versions prior to 4.8.3 contain an authenticated remote code execution vulnerability that allows logged-in users to upload malicious PHP files. Attackers can upload a PHP file with a shell command execution payload and execute arbitrary commands by accessing the uploaded file through a specific URL parameter."}, {"lang": "es", "value": "Las versiones de Textpattern anteriores a la 4.8.3 contienen una vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo autenticada que permite a usuarios autenticados subir archivos PHP maliciosos. Los atacantes pueden subir un archivo PHP con una carga \u00fatil de ejecuci\u00f3n de comandos de shell y ejecutar comandos arbitrarios al acceder al archivo subido a trav\u00e9s de un par\u00e1metro de URL espec\u00edfico."}], "id": "CVE-2021-47888", "lastModified": "2026-04-15T00:35:42.020", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-01-23T17:15:51.930", "references": [{"source": "disclosure@vulncheck.com", "url": "https://textpattern.com/"}, {"source": "disclosure@vulncheck.com", "url": "https://textpattern.com/start"}, {"source": "disclosure@vulncheck.com", "url": "https://www.exploit-db.com/exploits/49620"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/textpattern-remote-code-execution"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://www.exploit-db.com/exploits/49620"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-434"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

{}

{"created": "2026-01-26T11:52:54.664227+00:00", "updated": "2026-01-26T11:52:54.664254+00:00", "vendors": ["textpattern", "textpattern$PRODUCT$textpattern"]}