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.
Exploits (1)
References (3)
Core 3
Core References
Exploit, Third Party Advisory exploit
https://www.exploit-db.com/exploits/46333
Various Sources product
http://www.smoothwall.org
Third Party Advisory third-party-advisory
https://www.vulncheck.com/advisories/smoothwall-express-outgoingcgi-cross-site-scriptin
Scores
CVSS v3
6.1
EPSS
0.0004
EPSS Percentile
12.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (1)
smoothwall/smoothwall_express
3.1 sp4
Published
Feb 16, 2026
Tracked Since
Feb 18, 2026