#VU48200 Deserialization of Untrusted Data in WordPress - CVE-2020-28032
Published: November 2, 2020 / Updated: November 18, 2021
Vulnerability identifier: #VU48200
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2020-28032
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
WordPress
WordPress
Software vendor:
WordPress.ORG
WordPress.ORG
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation when processing serialized data in wp-includes/Requests/Utility/FilteredIterator.php. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.