Smoothwall Express: Unauthenticated Attackers Can Inject Malicious Scripts

Summary

The Smoothwall Express firewall's web interface has a security flaw that allows hackers to inject malicious code into users' web browsers without needing a password. This could lead to unauthorized actions on the network. To stay secure, update to the latest version of Smoothwall Express.

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 submitting crafted input...

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 submitting crafted input to the ipblock.cgi endpoint. Attackers can inject script tags through the SRC_IP and COMMENT parameters in POST requests to execute arbitrary JavaScript in users' 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-ipblockcgi-cross-site-sc... Broken Link