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CVE-2025-48486VulnerabilityPublished

CVE-2025-48486: freescout · Cross-site Scripting

Affects freescoutSource CVE Database V5

0

Not known to be exploited · CVSS 6.1 Medium : upgrade to 1.8.180 when convenient.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 4.0 base score
6.1Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 17% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.8.180
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 May 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Upgrade freescout-help-desk/freescout to 1.8.180.

Affected software

ProductAffectedFixed in
GitHubfreescout-help-desk/freescoutpkg:github/freescout-help-desk/freescoutOther threatsAffected
  • <1.8.180
Fixed in
  • 1.8.180

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

European organizations should immediately verify their FreeScout version and upgrade to 1.8.180 or later to apply the official patch. Beyond patching, administrators should implement strict Content Security Policies (CSP) to restrict the execution of unauthorized scripts and reduce the impact of potential XSS attacks. Input validation and output encoding should be enforced at all application layers, especially for user-generated content in support tickets and messages. Regular security audits and penetration testing focused on web application vulnerabilities can help identify residual risks. Organizations should also educate support staff and users about phishing and social engineering tactics that might exploit this vulnerability. Network segmentation and limiting administrative access to the FreeScout instance can reduce the attack surface. Finally, monitoring web server logs and application behavior for unusual activity or script injections can provide early detection of exploitation attempts.

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.

References

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