Vulnerability · Published Sep 15, 2026 · Assigned by Joomla

CVE-2026-84048Joomla Extension - joomgalleryfriends.net - Unauthenticated arbitrary file upload via the TUS endpoint in JoomGallery < 4.4.2

Medium 6.3

In plain English

A medium-severity improper access control in JoomGallery extension for Joomla from joomgalleryfriends.net. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).

Severity (CVSS 4.0)6.3Medium
Exploit odds (30 days)0.5%top 56.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Joomla Extension - joomgalleryfriends.net - Unauthenticated arbitrary file upload via the TUS endpoint in JoomGallery < 4.4.2 - The TUS endpoint allows arbitrary file uploads, however neither file name nor file extension are under attacker control. Code execution requires non-standard server configuration.

Affected products (as reported)

VendorProductVersions
joomgalleryfriends.net JoomGallery extension for Joomla 4.0.0-4.4.1

Weakness: CWE-284 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:A

References