CVE-2026-105603
Deferred Deferred - Pending Action

Authenticated Arbitrary File Upload in DJ-Classifieds Joomla Extension

Publication date: 2026-11-02

Last updated on: 2026-11-02

Assigner: Joomla! Project

Description
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.

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Meta Information

Published
2026-11-02
Last Modified
2026-11-02
Generated
2026-11-02
AI Q&A
2026-11-02
EPSS Evaluated
N/A
NVD
CVE-2026-105603

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
dj-extensions.com DJ-Classifieds extension for Joomla 1.0-3.11.2

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-434 The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

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Executive Summary

This vulnerability is an authenticated arbitrary file upload flaw in the DJ-Classifieds Joomla extension versions before 3.11.3. It allows attackers with valid credentials to upload malicious files, potentially leading to remote code execution (RCE) on the server.

Impact Analysis

An attacker could exploit this to upload malicious files, gain control of your Joomla site, steal sensitive data, deface the website, or use it as a launchpad for further attacks. The high CVSS score (9.4) indicates severe impact.

Compliance Impact

This vulnerability could lead to unauthorized access and data breaches, violating GDPR (data protection) and HIPAA (health data privacy) requirements. Non-compliance may result in legal penalties, fines, and reputational damage.

Mitigation Strategies

Update DJ-Classifieds extension to version 3.11.3 or later to patch the authenticated arbitrary file upload vulnerability. Implement strong access controls and regularly audit the system for unauthorized changes.

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