CVE-2019-25387

MEDIUM 6.1

Smoothwall Express 3.1 'xtaccess.cgi' Cross-Site Scripting

CVSS Score

6.1

EPSS Score

0.0%

EPSS Percentile

0th

Smoothwall Express 3.1-SP4-polar-x86_64-update9 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by submitting crafted input to the xtaccess.cgi endpoint. Attackers can inject script payloads through the EXT, DEST_PORT, or COMMENT parameters via POST requests to execute arbitrary JavaScript in victim browsers.

CWE	CWE-79
Vendor	smoothwall
Product	smoothwall express
Published	Feb 16, 2026
Last Updated	Mar 5, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

Smoothwall / Smoothwall Express

3.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/46333 smoothwall.org: http://www.smoothwall.org vulncheck.com: https://www.vulncheck.com/advisories/smoothwall-express-xtaccesscgi-cross-site-scriptin

Credits

Ozer Goker