[Japanese]

JVNDB-2021-000086

WordPress Plugin "OG Tags" vulnerable to cross-site request forgery

Overview

WordPress Plugin "OG Tags" provided by Mário Valney contains a cross-site request forgery vulnerability (CWE-352).

Ryota Nakazato of Cryptography Laboratory, Department of Information and Communication Engineering, Tokyo Denki University reported and coordinated with the developer to fix this vulnerability.
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


Mario Valney
  • OG Tags versions prior to 2.0.2

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 according to the information provided by the developer.
Vendor Information

Mario Valney
CWE (What is CWE?)

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

  1. CVE-2021-20831
References

  1. JVN : JVN#29428319
  2. National Vulnerability Database (NVD) : CVE-2021-20831
Revision History

  • [2021/09/28]
      Web page was published

Date Public2021/09/28
Date First Published2021/09/28
Date Last Updated2021/09/28