CVE-2026-57828 Details
Description
Joomla Extension - phoca.cz - Authenticated file upload in Phoca Downloads component < 6.1.3 - The Joomla extension Phoca Downloads is vulnerable to an authenticated arbitrary file upload that allows registered users uploading executable files and leads to full RCE.
A vulnerability in the Phoca Downloads Joomla extension, specifically in versions up to and including 6.1.2, allows authenticated users to upload executable files, such as PHP scripts, through the frontend member-upload feature. This flaw arises because the file-type allow-list is not enforced for member uploads, enabling uploaded files to be executed on the server, resulting in remote code execution.
Users should update Phoca Download to version 6.1.3 or later. This version applies the file-type allow-list to member uploads, preventing the upload of executable files. After updating, check the user-upload folder for any unauthorized files and review admin accounts for any suspicious activity.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 13, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://mysites.guru/blog/phoca-download-authenticated-file-upload-rce/ | [email protected] | ExploitThird Party Advisory |
| https://www.phoca.cz/phocadownload | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-434 | Unrestricted Upload of File with Dangerous Type | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| phoca download | < 6.1.3 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 19, 2026 | CVE Modified | [email protected] |
| Jul 23, 2026 | CVE Modified | [email protected] |
| Jul 14, 2026 | Initial Analysis | [email protected] |
| Jul 13, 2026 | CVE Modified | CISA-ADP |
| Jul 11, 2026 | New CVE Received | [email protected] |