CVE-2025-48388
FreeScout Format String Vulnerability
Description
FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.178, the application performs insufficient validation of user-supplied data, which is used as arguments to string formatting functions. As a result, an attacker can pass a string containing special symbols (\r, \n, \t)to the application. This issue has been patched in version 1.8.178.
INFO
Published Date :
May 29, 2025, 10:15 a.m.
Last Modified :
July 11, 2025, 3:22 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update FreeScout to version 1.8.178 or later.
- Validate all user input for special characters.
- Avoid using user input in string formatting.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-48388.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-48388 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-48388
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-48388 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-48388 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jul. 11, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N Added CPE Configuration OR *cpe:2.3:a:freescout:freescout:*:*:*:*:*:*:*:* versions up to (excluding) 1.8.178 Added Reference Type GitHub, Inc.: https://github.com/freescout-help-desk/freescout/commit/eab97711027fff4bce90ccd2e189cbc184fa0370 Types: Patch Added Reference Type GitHub, Inc.: https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-c76f-wggm-grcq Types: Vendor Advisory -
New CVE Received by [email protected]
May. 29, 2025
Action Type Old Value New Value Added Description FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.178, the application performs insufficient validation of user-supplied data, which is used as arguments to string formatting functions. As a result, an attacker can pass a string containing special symbols (\r, \n, \t)to the application. This issue has been patched in version 1.8.178. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-134 Added CWE CWE-93 Added Reference https://github.com/freescout-help-desk/freescout/commit/eab97711027fff4bce90ccd2e189cbc184fa0370 Added Reference https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-c76f-wggm-grcq