[Japanese]

JVNDB-2021-000065

WordPress Plugin "WordPress Meta Data Filter & Taxonomies Filter" vulnerable to cross-site request forgery

Overview

WordPress Plugin "WordPress Meta Data Filter & Taxonomies Filter" provided by realmag777 contains a cross-site request forgery vulnerability (CWE-352).

Ryoma Nishioka of Cryptography Laboratory, Department of Information and Communication Engineering, Tokyo Denki University reported this vulnerability to the developer and coordinated on his own.
After coordination was completed, this case was reported to IPA, and JPCERT/CC coordinated with the developer for the publication under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 4.3 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: None
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 2.6 (Low) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products


realmag777
  • WordPress Meta Data Filter & Taxonomies Filter versions prior to v.1.2.8
  • WordPress Meta Data Filter & Taxonomies Filter versions prior to v.2.2.8

Impact

If a user with an administrative privilege views a malicious page while logged in, unintended operations may be performed.
Solution

[Update the plugin]
Update the plugin to the latest version according to the information provided by the developer.
The developer has released the fixed version v1.2.8/v2.2.8.
Vendor Information

realmag777
CWE (What is CWE?)

  1. Cross-Site Request Forgery(CWE-352) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2021-20781
References

  1. JVN : JVN#48413554
  2. National Vulnerability Database (NVD) : CVE-2021-20781
Revision History

  • [2021/07/08]
      Web page was published