{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T14:56:22.268","vulnerabilities":[{"cve":{"id":"CVE-2021-38346","sourceIdentifier":"security@wordfence.com","published":"2021-10-14T16:15:09.317","lastModified":"2024-11-21T06:16:51.843","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","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."},{"lang":"es","value":"El plugin Brizy Page Builder versiones anteriores a 2.3.11 incluyéndola, para WordPress permitía a usuarios autenticados subir archivos ejecutables a una ubicación de su elección usando la acción  brizy_create_block_screenshot AJAX. El archivo se nombraba por medio del parámetro id, al que se le podía añadir \"../\" para llevar a cabo un salto de directorio, y el contenido del archivo se rellenaba por medio del parámetro ibsf, que se decodificaba en base64 y se escribía en el archivo. Mientras el plugin añadía una extensión .jpg a todos los nombres de archivos subidos, todavía era posible un ataque de doble extensión, por ejemplo, un archivo llamado shell.php se guardaría como shell.php.jpg, y sería ejecutable en un número de configuraciones comunes"}],"metrics":{"cvssMetricV31":[{"source":"security@wordfence.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P","baseScore":6.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8.0,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"security@wordfence.com","type":"Secondary","description":[{"lang":"en","value":"CWE-79"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-22"},{"lang":"en","value":"CWE-434"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:brizy:brizy-page_builder:*:*:*:*:*:*:*:*","versionEndIncluding":"2.3.11","matchCriteriaId":"C921466C-0150-4222-BE35-4B60C4590047"}]}]}],"references":[{"url":"https://www.wordfence.com/blog/2021/10/multiple-vulnerabilities-in-brizy-page-builder-plugin-allow-site-takeover/","source":"security@wordfence.com","tags":["Third Party Advisory"]},{"url":"https://www.wordfence.com/blog/2021/10/multiple-vulnerabilities-in-brizy-page-builder-plugin-allow-site-takeover/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}