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.

CVSS v3.1

5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0

3.5 LOWAV:N/AC:M/Au:S/C:N/I:P/A:N

EPSS

1.67% chance of exploitation in the next 30 days, 75th percentile

Published

2021-11-05

Updated

2024-08-04

Proof-of-concept exploits (4)

• http://packetstormsecurity.com/files/164618/Engineers-Online-Portal-1.0-SQL-Injection.html
• TheHackingRabbi/CVE-2021-426640★ · 2022-03-24
• https://www.exploit-db.com/exploits/50451
• 0xDeku/CVE-2021-426640★ · 2022-03-24

References

• CVE Record
• NVD entry

Related

• CVE-2021-42662
• CVE-2021-42663
• CVE-2021-42665
• CVE-2021-42666
• CVE-2021-42667
• CVE-2021-42668