CVE-2021-24368

Name: CVE-2021-24368
Creator: NVD / NIST
Published: 2021-06-20T13:15:07.997+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.83%

Last modified Jun 17, 2026

CVE-2021-24368 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The Quiz And Survey Master – Best Quiz, Exam and Survey Plugin WordPress plugin before 7.1.18 did not sanitise or escape its result_id parameter when displaying an existing quiz result page, leading to a reflected Cross-Site Scripting issue. This could allow for privilege escalation by inducing a logged in admin to open a malicious link. EPSS estimates a 0.83% chance of exploitation in the next 30 days.

Description

The Quiz And Survey Master – Best Quiz, Exam and Survey Plugin WordPress plugin before 7.1.18 did not sanitise or escape its result_id parameter when displaying an existing quiz result page, leading to a reflected Cross-Site Scripting issue. This could allow for privilege escalation by inducing a logged in admin to open a malicious link

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

0.83%

52.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Expresstech	Quiz And Survey Master	< 7.1.18

References

https://wpscan.com/vulnerability/7f2fda5b-45a5-4fc6-968f-90bc9674c999Exploit, Third Party Advisory
https://wpscan.com/vulnerability/7f2fda5b-45a5-4fc6-968f-90bc9674c999Exploit, Third Party Advisory

Timeline

Published: Jun 20, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24368?

How severe is CVE-2021-24368?

CVE-2021-24368 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.83% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24368?

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-2021-24368?

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

Scan your code now

Source: NVD / NIST