Unrated severityNVD Advisory· Published Feb 16, 2026· Updated Mar 5, 2026
Smoothwall Express 3.1 'xtaccess.cgi' Cross-Site Scripting
CVE-2019-25387
Description
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.
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Affected products
2- Range: 3.1
Patches
Vulnerability mechanics
References
3- www.exploit-db.com/exploits/46333mitreexploit
- www.vulncheck.com/advisories/smoothwall-express-xtaccesscgi-cross-site-scriptinmitrethird-party-advisory
- www.smoothwall.orgmitreproduct
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