CVE-2021-28007

Name: CVE-2021-28007
Creator: NVD / NIST
Published: 2021-03-10T13:15:12.453+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.86%

Last modified Jun 17, 2026

CVE-2021-28007 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Web Based Quiz System 1.0 is affected by cross-site scripting (XSS) in register.php through the name parameter.. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

Description

Web Based Quiz System 1.0 is affected by cross-site scripting (XSS) in register.php through the name parameter.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.86%

53.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Web Based Quiz System Project	Web Based Quiz System	1.0

References

https://www.exploit-db.com/exploits/49607Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/49607Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Mar 10, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-28007?

Web Based Quiz System 1.0 is affected by cross-site scripting (XSS) in register.php through the name parameter.

How severe is CVE-2021-28007?

CVE-2021-28007 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.

How do I fix CVE-2021-28007?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-28007?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST