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CVE-2019-25383

Smoothwall Express 3.1 'apcupsd.cgi' Cross-Site Scripting

Published: Feb 16, 2026Updated: Feb 20, 2026 Sources: CVE List NVDCWE-79
NVD MITRE
6.1CVSSMEDIUM
EPSS Score
0.2%
Top 87.1%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available

Description

Smoothwall Express 3.1-SP4-polar-x86_64-update9 contains multiple reflected cross-site scripting vulnerabilities in the apcupsd.cgi script that allow attackers to inject malicious scripts through multiple POST parameters. Attackers can submit crafted POST requests with script payloads in parameters like BATTLEVEL, RTMIN, BATTDELAY, TO, ANNOY, UPSIP, UPSNAME, UPSPORT, POLLTIME, UPSUSER, NISPORT, UPSAUTH, EMAIL, FROM, CC, SMSEMAIL, SMTPSERVER, PORT, USER, and EMAIL_PASSWORD to execute arbitrary JavaScript in victim browsers.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

smoothwall expresssmoothwall
On-prem
Networking Infrastructure / firewall
Smoothwall ExpressSmoothwall
On-prem
Networking Infrastructure / firewall
smoothwallcommercialNetworking Infrastructure

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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MITRE ATT&CK

2 techniques
Execution
Initial Access
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References

http://www.smoothwall.org
smoothwall.org
https://www.exploit-db.com/exploits/46333
exploit-db.com
https://www.vulncheck.com/advisories/smoothwall-express-apcupsdcgi-cross-site-scripting
vulncheck.com

Timeline

Published
Feb 16, 2026
Last Updated
Feb 20, 2026

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