CVE-2025-48389

Public Exploit
FreeScout Vulnerable to Deserialization of Untrusted Data

Description

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.

Category

8.6
CVSS
Severity: High
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.07%
Vendor Advisory github.com
Affected: freescout-help-desk freescout
Published at:
Updated at:

References

Link Tags
https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-jmpv-8q3h-2m8v exploit vendor advisory
https://github.com/freescout-help-desk/freescout/commit/f7548a7076a0b6e109001069d6be223fbd96c61e patch

Frequently Asked Questions

What is the severity of CVE-2025-48389?
CVE-2025-48389 has been scored as a high severity vulnerability.
How to fix CVE-2025-48389?
To fix CVE-2025-48389, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-48389 being actively exploited in the wild?
It is possible that CVE-2025-48389 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-48389?
CVE-2025-48389 affects freescout-help-desk freescout.
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