Medium severity · published Feb 16, 2026
CVE-2019-25387
Smoothwall Express 3.1 'xtaccess.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 unauthenticated attackers to inject malicious scripts by submitting crafted input to the xtaccess.cgi endpoint. Attackers can inject script payloads through the EXT, DEST_PORT, or COMMENT parameters via POST requests to execute arbitrary JavaScript in victim browsers.
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 22% 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-2019-25387
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-25387
Product
http://www.smoothwall.org
Exploit
https://www.exploit-db.com/exploits/46333
Broken Link
https://www.vulncheck.com/advisories/smoothwall-express-xtaccesscgi-cross-site-scriptin
More from Smoothwall Express
8.8
CVE-2011-1085
CSRF vulnerability in Smoothwall Express 3
7.2
CVE-2019-25379
Smoothwall Express 3.1 'urlfilter.cgi' Cross-Site Scripting
6.1
CVE-2026-27508
Smoothwall Express < 3.1 Update 13 Reflected XSS in redirect.cgi via url Parameter
6.1
CVE-2019-25395
Smoothwall Express 3.1 'preferences.cgi' Cross-Site Scripting
6.1
CVE-2019-25394
Smoothwall Express 3.1 'modem.cgi' Cross-Site Scripting