[Japanese]

JVNDB-2019-000075

Multiple vulnerabilities in "Custom Body Class"

Overview

WordPress Plugin "Custom Body Class" provided by Andrei Lupu contains multiple vulnerabilities listed below.

* Cross-site Scripting (CWE-79) - CVE-2019-6029
* Cross-site Request Forgery (CWE-352) - CVE-2019-6030

Shirai Masatake of Cryptography Laboratory,Department of Information and Communication Engineering,Tokyo Denki University reported these vulnerabilities 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 6.1 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Changed
  • Confidentiality Impact: Low
  • 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
The above CVSS base scores have been assigned for CVE-2019-6029

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
The above CVSS base scores have been assigned for CVE-2019-6030
Affected Products


Andrei Lupu
  • Custom Body Class 0.6.0 and earlier

Impact

* An arbitrary script may be executed on the logged in user's web browser - CVE-2019-6029
* If a user with the administrative privilege views a malicious page while logged in, unintended operations may be performed - CVE-2019-6030
Solution

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

Andrei Lupu
CWE (What is CWE?)

  1. Cross-Site Request Forgery(CWE-352) [IPA Evaluation]
  2. Cross-site Scripting(CWE-79) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2019-6029
  2. CVE-2019-6030
References

  1. JVN : JVN#26847507
  2. National Vulnerability Database (NVD) : CVE-2019-6029
  3. National Vulnerability Database (NVD) : CVE-2019-6030
Revision History

  • [2019/12/12]
      Web page was published

Date Public2019/12/12
Date First Published2019/12/12
Date Last Updated2019/12/12