CVE-2022-4220Public exploitNetwork attack vector

Question deletion via nonce-free administrative request

Published Dec 2, 2022 · Updated Apr 8, 2026

Cross-site request forgery in Chained Quiz 1.3.2.4 and earlier allows remote attackers to delete quiz questions via a forged request. The list_questions() function processes question-management requests without validating a WordPress nonce before performing deletion. Exploitation requires a site administrator with an active session to follow an attacker-controlled link, and the demonstrated consequence is unauthorized removal of quiz questions.

CVSS severity5.4
Medium
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site request forgery in Chained Quiz 1.3.2.4 and earlier allows remote attackers to delete quiz questions via a forged request. The list_questions() function processes question-management requests without validating a WordPress nonce before performing deletion. Exploitation requires a site administrator with an active session to follow an attacker-controlled link, and the demonstrated consequence is unauthorized removal of quiz questions.

The record

CVE
CVE-2022-4220
Published
Dec 2, 2022
Updated
Apr 8, 2026
Vendor
Prasunsen
Product
Chained Quiz
Classifications
CWE-352, T1204.001, T1565.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 2, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=1.3.2.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Prasunsen · Chained Quizversion=0 <=1.3.2.4

Published CVSS scores

4.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
5.4WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)
T1204.001Malicious Link
T1565.001Stored Data Manipulation

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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