Improper input validation vulnerability in WordPress Plugin "WordPress Quiz Maker Plugin"


WordPress Plugin "WordPress Quiz Maker Plugin" provided by AYS Pro Plugins contains an improper input validation vulnerability (CWE-20).

Shogo Kumamaru of LAC CyberLink Co., Ltd. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 5.0 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: None
  • Scope: Changed
  • Confidentiality Impact: None
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 4.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: Single Instance
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products

AYS Pro Plugins
  • WordPress Quiz Maker Plugin prior to


A user of the product may use the product to perform a Denial of Service (DoS) attack against external services.

[Update the plugin]
Update the plugin according to the information provided by the developer.
Vendor Information

AYS Pro Plugins
CWE (What is CWE?)

  1. Improper Input Validation(CWE-20) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2024-22027

  1. JVN : JVN37326856
  2. National Vulnerability Database (NVD) : CVE-2024-22027
Revision History

  • [2024/01/24]
      Web page was published
  • [2024/03/13]
      References : Content was added