CVE-2026-61424

CRITICAL

Joomla Extension - dj-extensions.com - Unauthenticated arbitrary file upload in DJ-Classifieds < 3.11.2

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2026-61424. PoCs published by shinthink.

AI-analyzed exploit summary This repository contains a functional exploit for CVE-2026-61424, an unauthenticated arbitrary file upload vulnerability in DJ-Classifieds for Joomla (≤ 3.11.1). The exploit bypasses a weak 3-string filter using PHP short tags (<?=) and polyglot GIF files to achieve remote code execution.

Description

Joomla Extension - dj-extensions.com - Unauthenticated arbitrary file upload in DJ-Classifieds < 3.11.2 - The Joomla extension DJ-Classifieds is vulnerable to an unauthenticated file upload, leading to full RCE.

Exploits (1)

github WORKING POC
by shinthink · pythonpoc
https://github.com/shinthink/CVE-2026-61424

This repository contains a functional exploit for CVE-2026-61424, an unauthenticated arbitrary file upload vulnerability in DJ-Classifieds for Joomla (≤ 3.11.1). The exploit bypasses a weak 3-string filter using PHP short tags (<?=) and polyglot GIF files to achieve remote code execution.

Classification
Working Poc 99%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: DJ-Classifieds for Joomla ≤ 3.11.1
No auth needed
Prerequisites: Target must be running DJ-Classifieds ≤ 3.11.1 · PHP short tags (<?=) must be enabled on the server · Server must allow execution of uploaded files with extensions like .gif, .php.json, or .php (trailing space)
mistral-large-3 · analyzed Jul 31, 2026 Full analysis →

References (2)

Core 2
Core References

Scores

CVSS v4 10.0
EPSS 0.0026
EPSS Percentile 18.0%
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-434
Status published
Products (1)
dj-extensions.com/DJ-Classifieds extension for Joomla 1.0-3.11.1
Published Jul 20, 2026
Tracked Since Jul 21, 2026