CVE-2025-48389 HIGH

CVE-2025-48389: FreeScout Vulnerable to Deserialization of Untrusted Data

Vendor Freescout-Help-Desk
Product freescout
Weakness CWE-502 · Unsafe deserialization
Published May 29, 2025
Last update May 30, 2025

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N

What the vulnerability does

01Description

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.178, FreeScout is vulnerable to deserialization of untrusted data due to insufficient validation. Through the set function, a string with a serialized object can be passed, and when getting an option through the get method, deserialization will occur, which will allow arbitrary code execution This issue has been patched in version 1.8.178.

Key dates

02Disclosure timeline

May 29, 2025 CVE published
May 30, 2025 Record updated