CVE-2026-57828 Joomla Extension - phoca.cz - Authenticated file upload in Phoca Downloads component < 6.1.3
Authenticated users can upload executable files in Phoca Downloads, leading to remote code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-57828?
CVE-2026-57828 is a critical vulnerability in phoca.cz Phoca Download extension for Joomla, published on 11 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-434
Which versions are affected by CVE-2026-57828?
It affects 1 product.
Products include Phoca Download.
How do I fix CVE-2026-57828?
No fix has been published for CVE-2026-57828 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-57828 being exploited?
There is no known exploitation of CVE-2026-57828 in the wild and no public exploit code.
Sources
Also known as GHSA-wjv4-xh6c-w4j7.