CVE-2018-16586 Cross-site scripting in n/a
An attacker can send malicious emails that trigger external resource loading in OTRS, potentially leading to data exposure or session hijacking for logged-in users.
- 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
- Available
What is CVE-2018-16586?
CVE-2018-16586 is a medium-severity cross-site scripting vulnerability in Debian Debian Linux, published on 28 Sep 2018. 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
In Open Ticket Request System (OTRS) 4.0.x before 4.0.32, 5.0.x before 5.0.30, and 6.0.x before 6.0.11, an attacker could send a malicious email to an OTRS system. If a logged in user opens it, the email could cause the browser to load external image or CSS resources.
Which versions are affected by CVE-2018-16586?
It affects 2 products.
Products include Debian Debian Linux, Otrs Open Ticket Request System.
How do I fix CVE-2018-16586?
Upgrade to a fixed version.
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-2018-16586 being exploited?
There is no known exploitation of CVE-2018-16586 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2018-16586, GHSA-x292-mprx-3fmj, UBUNTU-CVE-2018-16586.