Cyber Resilience

CVE-2025-48488

MediumPublic PoC

Published: 30 May 2025

Published
30 May 2025
Modified
04 June 2025
KEV Added
—
Patch
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CVSS Score v4 4.6 CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/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
EPSS Score 0.0015 35.7th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-48488 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Freescout Freescout. Its CVSS base score is 4.6 (Medium).

Operationally, ranked at the 35.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.180, deleting the file .htaccess allows an attacker to upload an HTML file containing malicious JavaScript code to the server, which can result in a Cross-Site Scripting…

more

(XSS) vulnerability. This issue has been patched in version 1.8.180.

CWE(s)
CWE-79

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

freescout
freescout
≤ 1.8.180

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CA-8 Penetration Testing
addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

SI-10 Information Input Validation
addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

SI-15 Information Output Filtering
addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References