CVE-2018-6226 Cross-site scripting in Trend Micro Email Encryption Gateway

Medium 5.4 Published 15 Mar 2018 Updated 5 Aug 2024

Attackers can inject malicious scripts into Trend Micro Email Encryption Gateway, potentially executing code or bypassing security controls.

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

What is CVE-2018-6226?

CVE-2018-6226 is a medium-severity cross-site scripting vulnerability in Trend Micro Email Encryption Gateway, published on 15 Mar 2018. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Reflected cross-site scripting (XSS) vulnerabilities in two Trend Micro Email Encryption Gateway 5.5 configuration files could allow an attacker to inject client-side scripts into vulnerable systems.

Weakness: CWE-79

Which versions are affected by CVE-2018-6226?

It affects 1 product.

Products include Trendmicro Email Encryption Gateway.

How do I fix CVE-2018-6226?

No fix has been published for CVE-2018-6226 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-2018-6226 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-6226 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-7jp5-h8x5-vx3q.