What is CVE-2026-57828?

CVE-2026-57828 is a high-severity vulnerability in Phoca Download, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2026-07-11.

How severe is CVE-2026-57828?

High severity. CVSS v3 base score is 8.8 out of 10.

Arbitrary file upload in Phoca Download

CVE-2026-57828

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.

Vulnerability class: Unrestricted File Upload

EPSS: 0.005 (43.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Phoca Download
Phoca.cz Phoca Download Extension For Joomla — versions 1.0-6.1.2

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

security@joomla.org (Product, product)
security@joomla.org (Exploit, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-57828?: CVE-2026-57828 is a high-severity vulnerability in Phoca Download, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2026-07-11.
How severe is CVE-2026-57828?: High severity. CVSS v3 base score is 8.8 out of 10.