CVE-2019-25382 Smoothwall Express 3.1 'time.cgi' Cross-Site Scripting

Medium 5.1 Published 16 Feb 2026 Updated 5 Mar 2026

Unauthenticated attackers can inject malicious scripts via the NTP_SERVER parameter in time.cgi, executing arbitrary JavaScript in users' browsers.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2019-25382?

CVE-2019-25382 is a medium-severity cross-site scripting vulnerability in Smoothwall Express, published on 16 Feb 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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 manipulating the NTP_SERVER parameter. Attackers can send POST requests to the time.cgi endpoint with script payloads in the NTP_SERVER parameter to execute arbitrary JavaScript in users' browsers.

Weakness: CWE-79

Which versions are affected by CVE-2019-25382?

It affects 1 product.

Products include Smoothwall Smoothwall Express.

How do I fix CVE-2019-25382?

No fix has been published for CVE-2019-25382 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2019-25382 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25382 exists.

Sources

Also known as GHSA-jg2j-4cp6-4c93.