Improper access control in Email Subscribers & Newsletters - #VU22768
Published: November 14, 2019
Vulnerability identifier: #VU22768
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists in the "admin_init" action due to improper access restrictions within the "admin-post.php" or "admin-ajax.php". A remote attacker can send a request to "admin-ajax.php" or "admin-post.php" with the "es_skip" parameter set to 1 and the "option_name" parameter set to the desired value and gain ability to create a new option.
Affected software
Email Subscribers & Newsletters
Remediation
Install updates from vendor's website.
Email Subscribers & Newsletters - update to 4.2.3