#VU23334 Permissions, Privileges, and Access Controls in Materialis and Mesmerize
Published: December 3, 2019
Vulnerability identifier: #VU23334
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: N/A
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Materialis
Mesmerize
Materialis
Mesmerize
Software vendor:
Extend Themes
Extend Themes
Description
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 updates from vendor's website.