CVE-2026-105603

Joomla Extension - dj-extensions.com - Authenticated arbitrary file upload in DJ-Classifieds < 3.11.3

9.4 Critical

Joomla Extension - dj-extensions.com - Authenticated arbitrary file upload in DJ-Classifieds < 3.11.3 - The Joomla extension DJ-Classifieds is vulnerable to an unprivileged file upload, leading to full RCE.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.30%Unchanged since Nov 3, 2026

What each source reports

CVE List Score used 9.4

Joomla Extension - dj-extensions.com - Authenticated arbitrary file upload in DJ-Classifieds < 3.11.3

Record: CVE-2026-105603
CVSS 4.0: 9.4 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Weakness: CWE-434
Updated: 2026-11-05

EUVDEUVD-2026-115358 9.4

Record: EUVD-2026-115358
CVSS 4.0: 9.4 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Updated: 2026-11-05

GitHub AdvisoriesGHSA-5wqr-pww3-c423 9.4

Joomla Extension - dj-extensions.com - Authenticated arbitrary file upload in DJ-Classifieds < 3...

Record: GHSA-5wqr-pww3-c423
CVSS 4.0: 9.4 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness: CWE-434
Updated: 2026-11-03

NVD 9.4

Record: CVE-2026-105603
CVSS 4.0: 9.4 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness: CWE-434
Updated: 2026-11-03

Affected products

dj-extensions.com dj-classifieds extension for joomla

History

History
Recorded	Changed	Sources
Nov 5, 2026	facts	CVE List, EUVD
Nov 3, 2026	aliases, published	EUVD
Nov 3, 2026	aliases, references	GitHub Advisories, NVD
Nov 2, 2026	first indexed	CVE List

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-105603 is a critical vulnerability (CVSS 9.4) in Dj-extensions.com Dj-classifieds Extension For Joomla, published November 2, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 23rd percentile. No source names a fixed version.