Smoothwall Express: Malicious Code Injection Through Web Request

Summary

Attackers can inject malicious scripts into Smoothwall Express 3.1-SP4-polar-x86_64-update9 by sending a specially crafted web request, potentially allowing them to take control of user sessions or steal sensitive information. This vulnerability can be exploited without requiring a login, making it a concern for public-facing Smoothwall Express installations. Users should update to a patched version as soon as possible.

What to do

No fix is available yet. Check with your software vendor for updates.

Affected software

Vendor	Product	Affected versions	Fix available
smoothwall	smoothwall_express	3.1	–

Original title

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 exploiting insufficient ...

Original 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 exploiting insufficient input validation. Attackers can submit POST requests to the smoothinfo.cgi endpoint with script payloads in the WRAP or SECTIONTITLE parameters to execute arbitrary JavaScript in victim browsers.

nvd CVSS3.1 6.1

nvd CVSS4.0 5.1

Vulnerability type

CWE-79 Cross-site Scripting (XSS)

http://www.smoothwall.org Product
https://www.exploit-db.com/exploits/46333 Exploit Third Party Advisory VDB Entry
https://www.vulncheck.com/advisories/smoothwall-express-smoothinfocgi-cross-site... Broken Link