{"api_version":"1","generated_at":"2026-07-18T09:28:59+00:00","cve":"CVE-2021-38346","urls":{"html":"https://cve.report/CVE-2021-38346","api":"https://cve.report/api/cve/CVE-2021-38346.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-38346","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-38346"},"summary":{"title":"CVE-2021-38346","description":"The Brizy Page Builder plugin <= 2.3.11 for WordPress allowed authenticated users to upload executable files to a location of their choice using the brizy_create_block_screenshot AJAX action. The file would be named using the id parameter, which could be prepended with \"../\" to perform directory traversal, and the file contents were populated via the ibsf parameter, which would be base64-decoded and written to the file. While the plugin added a .jpg extension to all uploaded filenames, a double extension attack was still possible, e.g. a file named shell.php would be saved as shell.php.jpg, and would be executable on a number of common configurations.","state":"PUBLIC","assigner":"security@wordfence.com","published_at":"2021-10-14 16:15:00","updated_at":"2022-07-05 15:03:00"},"problem_types":["CWE-22","CWE-434"],"metrics":[],"references":[{"url":"https://www.wordfence.com/blog/2021/10/multiple-vulnerabilities-in-brizy-page-builder-plugin-allow-site-takeover/","name":"https://www.wordfence.com/blog/2021/10/multiple-vulnerabilities-in-brizy-page-builder-plugin-allow-site-takeover/","refsource":"MISC","tags":[],"title":"Multiple Vulnerabilities in Brizy Page Builder Plugin Allow Site Takeover","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-38346","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38346","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"LEGACY","value":"Ramuel Gall, Wordfence","lang":""}],"nvd_cpes":[{"cve_year":"2021","cve_id":"38346","vulnerable":"1","versionEndIncluding":"2.3.11","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"brizy","cpe5":"brizy-page_builder","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"38346","vulnerable":"1","versionEndIncluding":"2.3.11","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"brizy","cpe5":"brizy-page_builder","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"wordpress","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"security@wordfence.com","DATE_PUBLIC":"2021-10-13T00:00:00.000Z","ID":"CVE-2021-38346","STATE":"PUBLIC","TITLE":"Brizy <= 2.3.11 Authenticated Unrestricted File Upload and Path Traversal"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Brizy - Page Builder","version":{"version_data":[{"platform":"WordPress","version_affected":"<=","version_name":"2.3.11","version_value":"2.3.11"}]}}]},"vendor_name":"Brizy.io"}]}},"credit":[{"lang":"eng","value":"Ramuel Gall, Wordfence"}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"The Brizy Page Builder plugin <= 2.3.11 for WordPress allowed authenticated users to upload executable files to a location of their choice using the brizy_create_block_screenshot AJAX action. The file would be named using the id parameter, which could be prepended with \"../\" to perform directory traversal, and the file contents were populated via the ibsf parameter, which would be base64-decoded and written to the file. While the plugin added a .jpg extension to all uploaded filenames, a double extension attack was still possible, e.g. a file named shell.php would be saved as shell.php.jpg, and would be executable on a number of common configurations."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"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"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-79 Cross-site Scripting (XSS)"}]}]},"references":{"reference_data":[{"refsource":"MISC","url":"https://www.wordfence.com/blog/2021/10/multiple-vulnerabilities-in-brizy-page-builder-plugin-allow-site-takeover/","name":"https://www.wordfence.com/blog/2021/10/multiple-vulnerabilities-in-brizy-page-builder-plugin-allow-site-takeover/"}]},"source":{"discovery":"INTERNAL"}},"nvd":{"publishedDate":"2021-10-14 16:15:00","lastModifiedDate":"2022-07-05 15:03:00","problem_types":["CWE-22","CWE-434"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":6.5},"severity":"MEDIUM","exploitabilityScore":8,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:brizy:brizy-page_builder:*:*:*:*:*:*:*:*","versionEndIncluding":"2.3.11","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"38346","Ordinal":"214004","Title":"CVE-2021-38346","CVE":"CVE-2021-38346","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"38346","Ordinal":"1","NoteData":"The Brizy Page Builder plugin <= 2.3.11 for WordPress allowed authenticated users to upload executable files to a location of their choice using the brizy_create_block_screenshot AJAX action. The file would be named using the id parameter, which could be prepended with \"../\" to perform directory traversal, and the file contents were populated via the ibsf parameter, which would be base64-decoded and written to the file. While the plugin added a .jpg extension to all uploaded filenames, a double extension attack was still possible, e.g. a file named shell.php would be saved as shell.php.jpg, and would be executable on a number of common configurations.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"38346","Ordinal":"2","NoteData":"2021-10-14","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"38346","Ordinal":"3","NoteData":"2021-10-14","Type":"Other","Title":"Modified"}]}}}