CVE-2022-4220

Name: CVE-2022-4220
Creator: NVD / NIST
Published: 2022-12-02T21:15:12.173+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.40%

Last modified Jun 17, 2026

CVE-2022-4220 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. The Chained Quiz plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.3.2.4. This is due to missing nonce validation on the list_questions() function. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

The Chained Quiz plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.3.2.4. This is due to missing nonce validation on the list_questions() function. This makes it possible for unauthenticated attackers to delete questions from quizzes via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.40%

31.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Kibokolabs	Chained Quiz	<= 1.3.2.4

References

https://gist.github.com/Xib3rR4dAr/417a11bcb9b8da28cfe5ba1c17c44d0eExploit, Third Party Advisory
https://plugins.trac.wordpress.org/browser/chained-quiz/trunk/controllers/questions.php#L73Patch, Third Party Advisory
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2826623%40chained-quiz&new=2826623%40chained-quiz&sfp_email=&sfph_mail=Patch, Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/966a3a33-3d22-4671-8893-7a64ff838f39?source=cve
https://www.wordfence.com/vulnerability-advisories-continued/#CVE-2022-4220Third Party Advisory
https://gist.github.com/Xib3rR4dAr/417a11bcb9b8da28cfe5ba1c17c44d0eExploit, Third Party Advisory
https://plugins.trac.wordpress.org/browser/chained-quiz/trunk/controllers/questions.php#L73Patch, Third Party Advisory
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2826623%40chained-quiz&new=2826623%40chained-quiz&sfp_email=&sfph_mail=Patch, Third Party Advisory
https://www.wordfence.com/vulnerability-advisories-continued/#CVE-2022-4220Third Party Advisory

Timeline

Published: Dec 2, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-4220?

How severe is CVE-2022-4220?

CVE-2022-4220 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2022-4220?

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-2022-4220?

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

Scan your code now

Source: NVD / NIST