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CVE-2026-61424 is an unauthenticated unrestricted file upload vulnerability in the DJ-Classifieds extension for Joomla. The issue affects DJ-Classifieds versions 1.0 through 3.11.1. A remote attacker can submit a crafted file upload request without authentication and cause attacker-controlled files to be stored by the application in a manner that enables execution on the target system. Successful exploitation can result in full remote code execution.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
Repository is a standalone Python exploit for CVE-2026-61424 affecting DJ-Classifieds for Joomla up to 3.11.1. Structure is minimal: one main exploit script (cve_2026_61424.py), a README with vulnerability details and usage, requirements.txt, plus license and gitignore. The exploit is not part of a larger framework. Core capability: unauthenticated web exploitation of the DJ-Classifieds imageupload task to achieve arbitrary file upload and then remote code execution. The script targets /index.php?option=com_djclassifieds&task=imageupload, generates a GIF/PHP polyglot payload, uploads it under multiple extension-bypass naming schemes, then probes likely upload directories for a reachable shell. The embedded PHP payload uses short echo tags (<?=) to bypass the documented 3-string content filter and executes attacker-supplied commands from the c GET parameter. The code includes operational features beyond a bare PoC: randomized user agents, multithreaded mass scanning, output logging, optional cleanup suppression, and support for multiple candidate upload paths and extension bypasses (gif, phar.gif, php.gif, phtml.gif, php5.gif, php7.gif, php.json, php with trailing space, phar, phtml, php5, php7, shtml). This makes it more than a detector, but still a straightforward standalone exploit rather than a weaponized framework module. Fingerprintable targets and paths are explicit in code and documentation: the vulnerable upload endpoint, upload directories tmp/djupload/, components/com_djclassifieds/tmp/djupload/, and images/djclassifieds/, plus example shell URLs under /tmp/djupload/. The README also references vulnerable Joomla component files involved in routing and upload handling. Overall purpose of the repository is to automate detection, exploitation, and validation of unauthenticated file upload leading to RCE against vulnerable DJ-Classifieds installations.
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