Medium severity · published Feb 16, 2026
CVE-2019-25385
Smoothwall Express 3.1 'outgoing.cgi' Cross-Site Scripting
6.1
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SE
Smoothwall Express · Smoothwall
3.1 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-25385
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-25385
Product
http://www.smoothwall.org
Exploit
https://www.exploit-db.com/exploits/46333
Broken Link
https://www.vulncheck.com/advisories/smoothwall-express-outgoingcgi-cross-site-scriptin
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