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TI-2026-83929 Aliases CVE-2026-105603GHSA-5wqr-pww3-c423

Arbitrary file upload in Joomla extension DJ-Classifieds

Priority MEDIUM 42CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-434.

Summary

The DJ-Classifieds extension for Joomla before 3.11.3 fails to restrict the types of files users can upload (CWE-434). An authenticated user with low privileges can upload arbitrary files, which leads to full remote code execution on the server.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00304 23rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
dj-extensions.comDJ-Classifieds extension for Joomla1.0-3.11.2—No fix listedCNA
  • DJ-Classifieds extension for Joomla Vendordj-extensions.com Affected 1.0-3.11.2 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for DJ-Classifieds extension for Joomla.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

Timeline

  1. 2026-11-02 Threatist record created from CVE-2026-105603
  2. 2026-11-02 CISA SSVC decision points changed
  3. 2026-11-02 Alias added: GHSA-5wqr-pww3-c423

References

Other 1

  • TI-2026-44289 Unrestricted file upload in dj-extensions.com jDownloads extension for Joomla CVSS 4.0CRITICAL 10.0
  • TI-2026-44029 Unrestricted file upload in dj-extensions.com DJ-Classifieds extension for Joomla CVSS 4.0CRITICAL 10.0
  • TI-2026-83930 Unauthenticated SQL injection in DJ-Classifieds Joomla extension CVSS 4.0CRITICAL 9.3
  • TI-2026-81122 Stored cross-site scripting in DJ-HelpfulArticles Joomla extension CVSS 4.0HIGH 8.7
  • TI-2025-32030 Extension - dj-extensions.com - SQLi vulnerability in DJ-Flyer component 1.0-3.2 for Joomla CVSS 4.0HIGH 8.5
  • TI-2025-34271 Extension - dj-extensions.com - SQLi vulnerability in DJ-Classifieds component 3.9.2-3.10.1 for Joomla CVSS 4.0HIGH 8.5
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences