CVE-2021-24253

{"containers": {"cna": {"affected": [{"product": "Classyfrieds", "vendor": "Unknown", "versions": [{"lessThanOrEqual": "3.8", "status": "affected", "version": "3.8", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Jin Huang"}], "descriptions": [{"lang": "en", "value": "The Classyfrieds WordPress plugin through 3.8 does not properly check the uploaded file when an authenticated user adds a listing, only checking the content-type in the request. This allows any authenticated user to upload arbitrary PHP files via the Add Listing feature of the plugin, leading to RCE."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-434", "description": "CWE-434 Unrestricted Upload of File with Dangerous Type", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-05-05T18:39:43.000Z", "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://wpscan.com/vulnerability/ee42c233-0ff6-4b27-a5ec-ad3246bef079"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/jinhuang1102/CVE-ID-Reports/blob/master/classyfrieds.md"}], "source": {"discovery": "UNKNOWN"}, "title": "Classyfrieds <= 3.8 - Authenticated Arbitrary File Upload to RCE", "x_generator": "WPScan CVE Generator", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "contact@wpscan.com", "ID": "CVE-2021-24253", "STATE": "PUBLIC", "TITLE": "Classyfrieds <= 3.8 - Authenticated Arbitrary File Upload to RCE"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Classyfrieds", "version": {"version_data": [{"version_affected": "<=", "version_name": "3.8", "version_value": "3.8"}]}}]}, "vendor_name": "Unknown"}]}}, "credit": [{"lang": "eng", "value": "Jin Huang"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The Classyfrieds WordPress plugin through 3.8 does not properly check the uploaded file when an authenticated user adds a listing, only checking the content-type in the request. This allows any authenticated user to upload arbitrary PHP files via the Add Listing feature of the plugin, leading to RCE."}]}, "generator": "WPScan CVE Generator", "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-434 Unrestricted Upload of File with Dangerous Type"}]}]}, "references": {"reference_data": [{"name": "https://wpscan.com/vulnerability/ee42c233-0ff6-4b27-a5ec-ad3246bef079", "refsource": "CONFIRM", "url": "https://wpscan.com/vulnerability/ee42c233-0ff6-4b27-a5ec-ad3246bef079"}, {"name": "https://github.com/jinhuang1102/CVE-ID-Reports/blob/master/classyfrieds.md", "refsource": "MISC", "url": "https://github.com/jinhuang1102/CVE-ID-Reports/blob/master/classyfrieds.md"}]}, "source": {"discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T19:28:22.247Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://wpscan.com/vulnerability/ee42c233-0ff6-4b27-a5ec-ad3246bef079"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/jinhuang1102/CVE-ID-Reports/blob/master/classyfrieds.md"}]}]}, "cveMetadata": {"assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "assignerShortName": "WPScan", "cveId": "CVE-2021-24253", "datePublished": "2021-05-05T18:39:43.000Z", "dateReserved": "2021-01-14T00:00:00.000Z", "dateUpdated": "2024-08-03T19:28:22.247Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "Classyfrieds", "vendor": "Unknown", "versions": [{"lessThanOrEqual": "3.8", "status": "affected", "version": "3.8", "versionType": "custom"}]}], "source": "contact@wpscan.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:classyfrieds_project:classyfrieds:*:*:*:*:*:wordpress:*:*", "matchCriteriaId": "D251A002-D427-44BC-8818-4EA539DD059F", "versionEndIncluding": "3.8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Classyfrieds WordPress plugin through 3.8 does not properly check the uploaded file when an authenticated user adds a listing, only checking the content-type in the request. This allows any authenticated user to upload arbitrary PHP files via the Add Listing feature of the plugin, leading to RCE."}, {"lang": "es", "value": "El plugin de WordPress Classyfrieds versiones hasta 3.8, no comprueba apropiadamente el archivo cargado cuando un usuario autenticado agrega una lista, solo comprueba el tipo de contenido en la petici\u00f3n.&#xa0;Esto permite a cualquier usuario autenticado cargar archivos PHP arbitrarios por medio de la funcionalidad Add Listing del plugin, conllevando a RCE"}], "id": "CVE-2021-24253", "lastModified": "2026-06-17T03:39:42.667", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "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": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-05-06T13:15:11.797", "references": [{"source": "contact@wpscan.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/jinhuang1102/CVE-ID-Reports/blob/master/classyfrieds.md"}, {"source": "contact@wpscan.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://wpscan.com/vulnerability/ee42c233-0ff6-4b27-a5ec-ad3246bef079"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/jinhuang1102/CVE-ID-Reports/blob/master/classyfrieds.md"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://wpscan.com/vulnerability/ee42c233-0ff6-4b27-a5ec-ad3246bef079"}], "sourceIdentifier": "contact@wpscan.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-434"}], "source": "contact@wpscan.com", "type": "Secondary"}]}

{}

{}