CVE-2025-48486 FreeScout Vulnerable to Stored XSS

Medium 6.1 Published Updated

Attackers can inject malicious scripts via unsanitized input in FreeScout, potentially leading to session hijacking or code execution.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-48486?

CVE-2025-48486 is a medium-severity cross-site scripting vulnerability in freescout-help-desk freescout, published on 30 May 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.180, the cross-site scripiting (XSS) vulnerability is caused by the lack of input validation and sanitization in both \Session::flash and __, allowing user input to be executed without proper filtering. This issue has been patched in version 1.8.180.

Weakness: CWE-79

Which versions are affected by CVE-2025-48486?

It affects 1 product.

Products include Freescout Freescout.

How do I fix CVE-2025-48486?

No fix has been published for CVE-2025-48486 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2025-48486 being exploited?

There is no known exploitation of CVE-2025-48486 in the wild and no public exploit code.

Sources

Also known as GHSA-9jpm-xrpc-cv66.

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