CVE-2026-57827 PUBLISHED

Joomla Extension - rsjoomla.com - Unauthenticated file upload in RSFiles component < 1.17.12

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

The Joomla extension RSFiles is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/AU:Y/U:Red
CVSS Score: 10

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	None	Availability	High	Availability	High
Privileges Required	None
User Interaction	None

CVSS 4.0

Vendor	rsjoomla.com
Product	rsjoomla.com RSFiles extension for Joomla
Versions	Default: unaffected Version 1.0-1.17.11 is affected