CVE-2019-13389 Cross-site scripting in n/a

Medium 6.1 Published Updated

Attackers can execute arbitrary scripts in user browsers due to missing XSS protections in RainLoop Webmail, potentially leading to session hijacking.

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-2019-13389?

CVE-2019-13389 is a medium-severity cross-site scripting vulnerability in n/a, published on 20 Mar 2020. 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

RainLoop Webmail before 1.13.0 lacks XSS protection mechanisms such as xlink:href validation, the X-XSS-Protection header, and the Content-Security-Policy header.

Weakness: CWE-79

Which versions are affected by CVE-2019-13389?

It affects 1 product.

Products include Rainloop Webmail.

How do I fix CVE-2019-13389?

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-2019-13389 being exploited?

There is no known exploitation of CVE-2019-13389 in the wild and no public exploit code.

Sources

Also known as GHSA-v8j5-m4qg-vx9m, UBUNTU-CVE-2019-13389.

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