CVE-2022-4218 — The Chained Quiz plugin for WordPress is vulnerable to Cross-Site Request Forger

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_quizzes() function. This makes it possible for unauthenticated attackers to delete quizzes and copy qui

01What is this vulnerability?

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_quizzes() function. This makes it possible for unauthenticated attackers to delete quizzes and copy quizzes via a forged request granted they can trick a site administrator into performing an action such as clicking on a…

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-12-02T21:15:12.020
• Last modified: 2026-04-08T18:17:33.567

09References

• gist.github.com — https://gist.github.com/Xib3rR4dAr/417a11bcb9b8da28cfe5ba1c17c44d0e
• plugins.trac.wordpress.org — https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old…
• www.wordfence.com — https://www.wordfence.com/threat-intel/vulnerabilities/id/49333c6b-58f6-4d5a-a60…
• www.wordfence.com — https://www.wordfence.com/vulnerability-advisories-continued/#CVE-2022-4218
• gist.github.com — https://gist.github.com/Xib3rR4dAr/417a11bcb9b8da28cfe5ba1c17c44d0e
• plugins.trac.wordpress.org — https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old…
• www.wordfence.com — https://www.wordfence.com/vulnerability-advisories-continued/#CVE-2022-4218