SB2021090309 - Multiple vulnerabilities in Gutenberg Template Library & Redux Framework plugin for WordPress

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SB2021090309 - Multiple vulnerabilities in Gutenberg Template Library & Redux Framework plugin for WordPress

Published: September 3, 2021 Updated: April 30, 2023

Security Bulletin ID SB2021090309
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Information disclosure (CVE-ID: CVE-2021-38314)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in the "includes" function in "redux-core/class-redux-core.php" file. A remote attacker can gain unauthorized access to sensitive information on the system.


2) Improper Authorization (CVE-ID: CVE-2021-38312)

CWE-ID: CWE-285 - Improper Authorization

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to bypass authotization checks.

The vulnerability exists due to incorrect authorization check in the REST API endpoints registered under the "redux/v1/templates/" REST Route in "redux-templates/classes/class-api.php". A remote authenticated attacker can install arbitrary plugins from the WordPress repository and edit arbitrary posts.


Remediation

Install update from vendor's website.

References