CVE-2019-9919 Cross-site scripting in n/a

Medium 5.4 Published 29 Mar 2019 Updated 4 Aug 2024

Attackers can execute arbitrary JavaScript in victims' browsers via crafted messages in the Harmis JE Messenger Joomla plugin.

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-2019-9919?

CVE-2019-9919 is a medium-severity cross-site scripting vulnerability in n/a, published on 29 Mar 2019. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

An issue was discovered in the Harmis JE Messenger component 1.2.2 for Joomla!. It is possible to craft messages in a way that JavaScript gets executed on the side of the receiving user when the message is opened, aka XSS.

Weakness: CWE-79

Which versions are affected by CVE-2019-9919?

It affects 1 product.

Products include Harmistechnology Je Messenger.

How do I fix CVE-2019-9919?

No fix has been published for CVE-2019-9919 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-2019-9919 being exploited?

There is no known exploitation of CVE-2019-9919 in the wild and no public exploit code.

Sources

Also known as GHSA-rgj4-7g43-x7m2.