CVE-2024-22027Network attack vector

Authenticated external-service denial of service

Published Jan 12, 2024 · Updated Jun 5, 2025

Improper input validation in AYS Pro Plugins Quiz Maker before 6.5.0.6 allows remote authenticated users to disrupt external services. Published records do not identify the affected handler, accepted input, or validation error that directs requests toward those services. Exploitation requires an authenticated WordPress account and is bounded to denial of service against an external service, with no reported data disclosure or hosting-site interruption.

CVSS severity6.5
Medium
EPSS probability0.73%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in AYS Pro Plugins Quiz Maker before 6.5.0.6 allows remote authenticated users to disrupt external services. Published records do not identify the affected handler, accepted input, or validation error that directs requests toward those services. Exploitation requires an authenticated WordPress account and is bounded to denial of service against an external service, with no reported data disclosure or hosting-site interruption.

The record

CVE
CVE-2024-22027
Published
Jan 12, 2024
Updated
Jun 5, 2025
Vendor
AYS Pro Plugins
Product
Quiz Maker
Classifications
CWE-20, T1498
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 12, 2024CVE publishedPublication date reported by the CVE source.
  2. Jun 5, 2025Record 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=prior to 6.5.0.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

AYS Pro Plugins · Quiz Makerversion=prior to 6.5.0.6

Published CVSS scores

4.0JPCERT/CCAV:N/AC:L/Au:S/C:N/I:P/A:N
6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.0JPCERT/CCCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
T1498Network Denial of Service

Public exploit references

No public exploit references are available in this record.

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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