XSS in Engineers Online Portal Project
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.017 (75.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Engineers Online Portal Project — versions 1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.sourcecodester.com/php/13115/engineers-online-portal-php.html (Product, Third Party Advisory)
- packetstormsecurity.com/files/164618/Engineers-Online-Portal-1.0-SQL-Injection… (Exploit, VDB Entry, Third Party Advisory)
- github.com/TheHackingRabbi/CVE-2021-42664 (Exploit, Third Party Advisory)
- www.exploit-db.com/exploits/50451 (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-42664?
- CVE-2021-42664 is a medium-severity vulnerability in Engineers Online Portal Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-11-05.
- How severe is CVE-2021-42664?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2021-42664 known to be exploited?
- 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.