What’s Vulnerable › Vulnerabilities

CVE-2019-25381: Smoothwall Express 3.1 'hosts.cgi' Cross-Site Scripting

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-02-16 · updated 2026-06-17
• Weakness: CWE-79

Description

Smoothwall Express 3.1-SP4-polar-x86_64-update9 contains multiple reflected cross-site scripting vulnerabilities in the hosts.cgi script that allow attackers to inject malicious scripts through unvalidated parameters. Attackers can submit POST requests to the hosts.cgi endpoint with script payloads in the IP, HOSTNAME, or COMMENT parameters to execute arbitrary JavaScript in users' browsers.

Affected products

• Smoothwall Express: 3.1-sp4

References

• http://www.smoothwall.org
• https://www.exploit-db.com/exploits/46333
• https://www.vulncheck.com/advisories/smoothwall-express-hostscgi-cross-site-scripting

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