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Brizy Page Builder <= 2.3.11 - Authenticated File Upload and Path Traversal
| CVE | CVE-2021-38346 |
|---|---|
| CVSS | 8.8 (High) |
| Publicly Published | October 13, 2021 |
| Last Updated | January 22, 2024 |
| Researcher |
Ram
- Wordfence
|
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.
References
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Vulnerability Details for Brizy – Page Builder
| Software Type | Plugin |
|---|---|
| Software Slug | brizy (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 2.3.12, or a newer patched version |
| Affected Version |
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| Patched Version |
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