CVE-2021-42664: Engineers Online Portal Project Engineers Online Portal

Medium severity, CVSS 5.4. EPSS: 1.7% chance of exploitation in the next 30 days.

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.

Affected products

Published 2021-11-05. Last modified 2026-06-17.