What’s Vulnerable › Vulnerabilities

CVE-2022-4220: Chained Quiz <= 1.3.2.4 - Cross-Site Request Forgery to Question Deletion

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-12-02 · updated 2026-06-17
• Weakness: CWE-352

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.

Affected products

• prasunsen Chained Quiz: through 1.3.2.4

References

• https://gist.github.com/Xib3rR4dAr/417a11bcb9b8da28cfe5ba1c17c44d0e
• https://plugins.trac.wordpress.org/browser/chained-quiz/trunk/controllers/questions.php#L73
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2826623%40chained-quiz&new=2826623%40chained-quiz&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/966a3a33-3d22-4671-8893-7a64ff838f39?source=cve
• https://www.wordfence.com/vulnerability-advisories-continued/#CVE-2022-4220
• https://gist.github.com/Xib3rR4dAr/417a11bcb9b8da28cfe5ba1c17c44d0e
• https://plugins.trac.wordpress.org/browser/chained-quiz/trunk/controllers/questions.php#L73
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2826623%40chained-quiz&new=2826623%40chained-quiz&sfp_email=&sfph_mail=
• https://www.wordfence.com/vulnerability-advisories-continued/#CVE-2022-4220

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