Smoothwall Express: Malicious scripts can be injected into users' browsers

Summary

An attacker can trick users into running malicious code in their web browser, potentially stealing sensitive session data. This happens when the system doesn't properly filter certain inputs. To protect your system, apply the latest updates and ensure all users use secure browsing practices.

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 attackers to inject malicious scripts by manipulating the MACHINE and MACHINECOMM...

Original description

Smoothwall Express 3.1-SP4-polar-x86_64-update9 contains a reflected cross-site scripting vulnerability that allows attackers to inject malicious scripts by manipulating the MACHINE and MACHINECOMMENT parameters. Attackers can send POST requests to the outgoing.cgi endpoint with script payloads to execute arbitrary JavaScript in users' browsers and steal session data.

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-outgoingcgi-cross-site-s... Broken Link