CVE-2022-4213
Published: 02 December 2022
Summary
CVE-2022-4213 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Kibokolabs Chained Quiz. Its CVSS base score is 6.1 (Medium).
Operationally, ranked in the top 9.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
The Chained Quiz plugin for WordPress is vulnerable to reflected cross-site scripting in versions up to and including 1.3.2.2. The flaw exists because the 'dn' parameter on the 'chainedquiz_list' page lacks sufficient input sanitization and output escaping, enabling injection of arbitrary web scripts.
Unauthenticated attackers can exploit the issue by crafting malicious links that execute scripts in a victim's browser when clicked, achieving limited impacts on confidentiality and integrity under the CVSS 6.1 rating with network attack vector, low complexity, and required user interaction.
Wordfence advisories and the WordPress plugin repository changesets show the vulnerability was fixed by updating the plugin, with the referenced changeset addressing the parameter handling to prevent script injection. The associated EPSS score remained flat at 0.0520 with no material increase after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-51573
Vulnerability details
The Chained Quiz plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'dn' parameter on the 'chainedquiz_list' page in versions up to, and including, 1.3.2.2 due to insufficient input sanitization and output escaping. This makes it possible for…
more
unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.