CVE-2021-24171

{"containers": {"cna": {"affected": [{"product": "WooCommerce Upload Files", "vendor": "Unknown", "versions": [{"lessThan": "59.4", "status": "affected", "version": "59.4", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Ramuel Gall"}], "descriptions": [{"lang": "en", "value": "The WooCommerce Upload Files WordPress plugin before 59.4 ran a single sanitization pass to remove blocked extensions such as .php. It was possible to bypass this and upload a file with a PHP extension by embedding a \"blocked\" extension within another \"blocked\" extension in the \"wcuf_file_name\" parameter. It was also possible to perform a double extension attack and upload files to a different location via path traversal using the \"wcuf_current_upload_session_id\" parameter."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-434", "description": "CWE-434 Unrestricted Upload of File with Dangerous Type", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-04-05T18:27:44.000Z", "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://wpscan.com/vulnerability/ed4288a1-f7e4-455f-b765-5ac343f87194"}, {"tags": ["x_refsource_MISC"], "url": "https://www.wordfence.com/blog/2021/03/critical-vulnerability-patched-in-woocommerce-upload-files/"}], "source": {"discovery": "UNKNOWN"}, "title": "WooCommerce Upload Files < 59.4 - Unauthenticated Arbitrary File Upload", "x_generator": "WPScan CVE Generator", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "contact@wpscan.com", "ID": "CVE-2021-24171", "STATE": "PUBLIC", "TITLE": "WooCommerce Upload Files < 59.4 - Unauthenticated Arbitrary File Upload"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "WooCommerce Upload Files", "version": {"version_data": [{"version_affected": "<", "version_name": "59.4", "version_value": "59.4"}]}}]}, "vendor_name": "Unknown"}]}}, "credit": [{"lang": "eng", "value": "Ramuel Gall"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The WooCommerce Upload Files WordPress plugin before 59.4 ran a single sanitization pass to remove blocked extensions such as .php. It was possible to bypass this and upload a file with a PHP extension by embedding a \"blocked\" extension within another \"blocked\" extension in the \"wcuf_file_name\" parameter. It was also possible to perform a double extension attack and upload files to a different location via path traversal using the \"wcuf_current_upload_session_id\" parameter."}]}, "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/ed4288a1-f7e4-455f-b765-5ac343f87194", "refsource": "CONFIRM", "url": "https://wpscan.com/vulnerability/ed4288a1-f7e4-455f-b765-5ac343f87194"}, {"name": "https://www.wordfence.com/blog/2021/03/critical-vulnerability-patched-in-woocommerce-upload-files/", "refsource": "MISC", "url": "https://www.wordfence.com/blog/2021/03/critical-vulnerability-patched-in-woocommerce-upload-files/"}]}, "source": {"discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T19:21:18.699Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://wpscan.com/vulnerability/ed4288a1-f7e4-455f-b765-5ac343f87194"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.wordfence.com/blog/2021/03/critical-vulnerability-patched-in-woocommerce-upload-files/"}]}]}, "cveMetadata": {"assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "assignerShortName": "WPScan", "cveId": "CVE-2021-24171", "datePublished": "2021-04-05T18:27:44.000Z", "dateReserved": "2021-01-14T00:00:00.000Z", "dateUpdated": "2024-08-03T19:21:18.699Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "WooCommerce Upload Files", "vendor": "Unknown", "versions": [{"lessThan": "59.4", "status": "affected", "version": "59.4", "versionType": "custom"}]}], "source": "contact@wpscan.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:vanquish:woocommerce_upload_files:*:*:*:*:*:wordpress:*:*", "matchCriteriaId": "4D755FA2-93D9-4FE2-BB9E-323398084C28", "versionEndExcluding": "59.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The WooCommerce Upload Files WordPress plugin before 59.4 ran a single sanitization pass to remove blocked extensions such as .php. It was possible to bypass this and upload a file with a PHP extension by embedding a \"blocked\" extension within another \"blocked\" extension in the \"wcuf_file_name\" parameter. It was also possible to perform a double extension attack and upload files to a different location via path traversal using the \"wcuf_current_upload_session_id\" parameter."}, {"lang": "es", "value": "El plugin de WordPress WooCommerce Upload Files versiones anteriores a 59.4 ejecut\u00f3 una sola pasada de saneamiento para eliminar extensiones bloqueadas como .php.&#xa0;Era posible omitir esto y cargar un archivo con una extensi\u00f3n PHP insertando una extensi\u00f3n \"blocked\" dentro de otra extensi\u00f3n \"blocked\" en el par\u00e1metro \"wcuf_file_name\".&#xa0;Tambi\u00e9n fue posible llevar a cabo un ataque de extensi\u00f3n doble y subir archivos a una ubicaci\u00f3n diferente por medio del salto de ruta usando el par\u00e1metro \"wcuf_current_upload_session_id\""}], "id": "CVE-2021-24171", "lastModified": "2026-06-17T03:39:30.930", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "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": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-05T19:15:15.857", "references": [{"source": "contact@wpscan.com", "tags": ["Third Party Advisory"], "url": "https://wpscan.com/vulnerability/ed4288a1-f7e4-455f-b765-5ac343f87194"}, {"source": "contact@wpscan.com", "tags": ["Third Party Advisory"], "url": "https://www.wordfence.com/blog/2021/03/critical-vulnerability-patched-in-woocommerce-upload-files/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://wpscan.com/vulnerability/ed4288a1-f7e4-455f-b765-5ac343f87194"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.wordfence.com/blog/2021/03/critical-vulnerability-patched-in-woocommerce-upload-files/"}], "sourceIdentifier": "contact@wpscan.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-434"}], "source": "contact@wpscan.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-434"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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