Joomgalleryfriends JoomGallery Extension up to 4.4.0 TUS Endpoint unrestricted upload

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k2.70

Summaryinfo

A vulnerability labeled as critical has been found in Joomgalleryfriends JoomGallery Extension up to 4.4.0. This affects an unknown function of the component TUS Endpoint. The manipulation results in unrestricted upload. This vulnerability is known as CVE-2026-84048. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Joomgalleryfriends JoomGallery Extension up to 4.4.0. It has been classified as critical. Affected is an unknown part of the component TUS Endpoint. The manipulation with an unknown input leads to a unrestricted upload vulnerability. CWE is classifying the issue as CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Joomla Extension - joomgalleryfriends.net - Unauthenticated arbitrary file upload via the TUS endpoint in JoomGallery < 4.4.1 - 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.

The advisory is available at joomgalleryfriends.net. This vulnerability is traded as CVE-2026-84048 since 09/01/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1608.002 by the MITRE ATT&CK project.

It is declared as attacked.

Upgrading to version 4.4.1 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Attacked
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: JoomGallery Extension 4.4.1

Timelineinfo

09/01/2026 CVE reserved
09/15/2026 +14 days Advisory disclosed
09/15/2026 +0 days VulDB entry created
09/15/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: joomgalleryfriends.net
Status: Confirmed

CVE: CVE-2026-84048 (🔒)
GCVE (CVE): GCVE-0-2026-84048
GCVE (VulDB): GCVE-100-404610

Entryinfo

Created: 09/15/2026 21:47
Changes: 09/15/2026 21:47 (68)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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