CVE-2021-42664

A Stored Cross Site Scripting (XSS) Vulneraibiilty exists in Sourcecodester Engineers Online Portal in PHP via the (1) Quiz title and (2) quiz description parameters to add_quiz.php. An attacker can leverage this vulnerability in order to run javascript commands on the web server surfers behalf, which can lead to cookie stealing and more.

• CWE-79

• http://packetstormsecurity.com/files/164618/Engineers-Online-Portal-1.0-SQL-Injection.htmlExploit, Third Party Advisory, VDB Entry
• https://github.com/TheHackingRabbi/CVE-2021-42664Exploit, Third Party Advisory
• https://www.exploit-db.com/exploits/50451Exploit, Third Party Advisory, VDB Entry
• https://www.sourcecodester.com/php/13115/engineers-online-portal-php.htmlProduct, Third Party Advisory
• http://packetstormsecurity.com/files/164618/Engineers-Online-Portal-1.0-SQL-Injection.htmlExploit, Third Party Advisory, VDB Entry
• https://github.com/TheHackingRabbi/CVE-2021-42664Exploit, Third Party Advisory
• https://www.exploit-db.com/exploits/50451Exploit, Third Party Advisory, VDB Entry
• https://www.sourcecodester.com/php/13115/engineers-online-portal-php.htmlProduct, Third Party Advisory

Published

Nov 5, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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