CSRF in Kibokolabs Chained Quiz
CVE-2022-4220
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.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (32.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Kibokolabs Chained Quiz
- Prasunsen Chained Quiz — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/966a3a33-3d22-4671-8893-7a64f…
- plugins.trac.wordpress.org/browser/chained-quiz/trunk/controllers/questions.php (Patch, Third Party Advisory)
- plugins.trac.wordpress.org/changeset (Patch, Third Party Advisory)
- gist.github.com/Xib3rR4dAr/417a11bcb9b8da28cfe5ba1c17c44d0e (Exploit, Third Party Advisory)
- www.wordfence.com/vulnerability-advisories-continued/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-4220?
- CVE-2022-4220 is a medium-severity vulnerability in Kibokolabs Chained Quiz, classified under Cross-Site Request Forgery (CSRF). CVSS score: 5.4/10. Published 2022-12-02.
- How severe is CVE-2022-4220?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2022-4220 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.