XSS in Smoothwall Express
CVE-2019-25395
Smoothwall Express 3.1-SP4-polar-x86_64-update9 contains multiple stored cross-site scripting vulnerabilities in the preferences.cgi script that allow attackers to inject malicious scripts through the HOSTNAME, KEYMAP, and OPENNESS parameters. Attackers can submit POST requests with script payloads to preferences.cgi to store malicious code that executes in the browsers of users accessing the preferences page.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (12.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 12.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Smoothwall Express — versions 3.1
- Smoothwall Express — versions 3.1
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/46333 (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.smoothwall.org (Product, product)
- www.vulncheck.com/advisories/smoothwall-express-preferencescgi-cross-site-scrip (Broken Link, third-party-advisory)
Frequently asked questions
- What is CVE-2019-25395?
- CVE-2019-25395 is a high-severity vulnerability in Smoothwall Express, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-02-16.
- How severe is CVE-2019-25395?
- High severity. CVSS v3 base score is 7.2 out of 10.