CVE-2026-57828 PUBLISHED

Joomla Extension - phoca.cz - Authenticated file upload in RSFiles component < 6.1.3

Assigner: Joomla
Reserved: 25.06.2026 Published: 11.07.2026 Updated: 11.07.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score: 9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	Present	Availability	High	Availability	High
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	phoca.cz
Product	phoca.cz Phoca Download extension for Joomla
Versions	Default: unaffected Version 1.0-6.1.2 is affected

Credits

Phil Taylor finder

References

Problem Types

CWE-434: Unrestricted Upload of File with Dangerous Type CWE

Impacts

CAPEC-242: Code Injection