Deserialization of Untrusted Data in Contact - Registration - Post Form Builder & FrontEnd Editor BuddyForms - Making WordPress Forms A Breeze - CVE-2023-26326

 

Deserialization of Untrusted Data in Contact - Registration - Post Form Builder & FrontEnd Editor BuddyForms - Making WordPress Forms A Breeze - CVE-2023-26326

Published: February 23, 2023 / Updated: February 7, 2025


Vulnerability identifier: #VU72514
CSH Severity: High
CVSS v4.0: 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-2023-26326
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: Sven Lehnert
Affected software:
Contact - Registration - Post Form Builder & FrontEnd Editor BuddyForms - Making WordPress Forms A Breeze

Detailed vulnerability 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 the "url" parameter in the "buddyforms_upload_image_from_url()" function. 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.


How to mitigate CVE-2023-26326

Install updates from vendor's website.

Sources