Unrated severityNVD Advisory· Published Nov 5, 2021· Updated Aug 4, 2024
CVE-2021-42669
CVE-2021-42669
Description
A file upload vulnerability exists in Sourcecodester Engineers Online Portal in PHP via dashboard_teacher.php, which allows changing the avatar through teacher_avatar.php. Once an avatar gets uploaded it is getting uploaded to the /admin/uploads/ directory, and is accessible by all users. By uploading a php webshell containing "<?php system($_GET["cmd"]); ?>" the attacker can execute commands on the web server with - /admin/uploads/php-webshell?cmd=id.
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Affected products
2- Sourcecodester/Engineers Online Portaldescription
Patches
Vulnerability mechanics
References
2- github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42671mitrex_refsource_MISC
- www.sourcecodester.com/php/13115/engineers-online-portal-php.htmlmitrex_refsource_MISC
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