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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Smoothwall Smoothwall Express affected
Version Status Constraints
3.1 affected —

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Smoothwall Subscribe
Smoothwall Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
http://www.smoothwall.org cve-icon cve-icon
https://www.exploit-db.com/exploits/46333 cve-icon cve-icon
https://www.vulncheck.com/advisories/smoothwall-express-ipblockcgi-cross-site-scripting cve-icon cve-icon
History

Mon, 16 Feb 2026 17:30:00 +0000

Type Values Removed Values Added
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.
Title Smoothwall Express 3.1 'ipblock.cgi' Cross-Site Scripting
First Time appeared Smoothwall
Smoothwall smoothwall
Weaknesses CWE-79
CPEs cpe:2.3:a:smoothwall:smoothwall:3.1:*:*:*:*:*:*:*
Vendors & Products Smoothwall
Smoothwall smoothwall
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-02-16T17:05:02.339Z

Reserved: 2026-02-16T16:32:08.406Z

Link: CVE-2019-25388

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-02-16T18:19:43.473

Modified: 2026-02-16T18:19:43.473

Link: CVE-2019-25388

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses