CVE-2025-48486: freescout · Cross-site Scripting
Affects freescoutSource CVE Database V5
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
- 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:NExploitation evidence
Disclosed: evidence found.
CVE published 30 May 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
GitHubfreescout-help-desk/freescoutpkg:github/freescout-help-desk/freescoutOther threats | Affected
| Fixed in
|
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.