CVE-2026-57828: Joomla Extension - phoca.cz - Authenticated file upload in Phoca Downloads component < 6.1.3

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-07-11 · updated 2026-10-25
Weakness: CWE-434

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.

Affected products

phoca.cz Phoca Download extension for Joomla: before 6.1.3 — fixed in 6.1.3

How to fix

Upgrade to a fixed version: phoca.cz Phoca Download extension for Joomla 6.1.3. Check the vendor advisory for mitigations.

References

https://mysites.guru/blog/phoca-download-authenticated-file-upload-rce/
https://www.phoca.cz/phocadownload

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