SB2019120304 - Privilege escalation in Mesmerize and Materialis themes for WordPress



SB2019120304 - Privilege escalation in Mesmerize and Materialis themes for WordPress

Published: December 3, 2019

Security Bulletin ID SB2019120304
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Permissions, Privileges, and Access Controls (CVE-ID: N/A)

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to the "companion_disable_popup" function only checks the nonce and will pass two user input, $_POST['value'] and $_POST['option'], to the "update_option" function. A remote authenticated attacker can copy the nonce, use it to send an AJAX request and modify WordPress core options in the "wp_options" table.


Remediation

Install update from vendor's website.