[Japanese]

JVNDB-2020-000068

WordPress Plugin "Live Chat - Live support" vulnerable to cross-site request forgery

Overview

WordPress Plugin "Live Chat - Live support" provided by onWebChat contains a cross-site request forgery vulnerability (CWE-352).

Yusuke Fukuda 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


onWebChat
  • Live Chat - Live support version 3.1.0 and earlier

Impact

If a user views a malicious web 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

onWebChat
CWE (What is CWE?)

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

  1. CVE-2020-5642
References

  1. JVN : JVN#92404841
Revision History

  • [2020/10/14]
      Web page was published

Date Public2020/10/14
Date First Published2020/10/14
Date Last Updated2020/10/14