Stored and Reflected Cross-Site Scripting in Smoothwall Express by Smoothwall
CVE-2019-25379

5.3MEDIUM

Key Information:

Vendor

Smoothwall

Status
Smoothwall Express
Vendor
CVE Published:
16 February 2026

Badges

👾 Exploit Exists

What is CVE-2019-25379?

Smoothwall Express 3.1-SP4-polar-x86_64-update9 is susceptible to both stored and reflected cross-site scripting attacks through the urlfilter.cgi script. This vulnerability allows attackers to inject arbitrary JavaScript code by sending crafted POST requests containing malicious payloads in the REDIRECT_PAGE or CHILDREN parameters. If successfully executed, this could compromise the security of user browsers and facilitate unauthorized actions.

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Affected Version(s)

Smoothwall Express 3.1

References

https://www.exploit-db.com/exploits/46333
exploit
http://www.smoothwall.org
product
https://www.vulncheck.com/advisories/smoothwall-express-u...
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ozer Goker
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