CVE-2018-5229 Cross-site scripting in Universal Plugin Manager

Medium 5.4 Published 16 Jul 2018 Updated 17 Sep 2024

Remote attackers can inject arbitrary HTML or JavaScript via user-submitted add-on names in Atlassian Universal Plugin Manager.

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-2018-5229?

CVE-2018-5229 is a medium-severity cross-site scripting vulnerability in Atlassian Universal Plugin Manager, published on 16 Jul 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

The NotificationRepresentationFactoryImpl class in Atlassian Universal Plugin Manager before version 2.22.9 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the name of user submitted add-on names.

Weakness: CWE-79

Which versions are affected by CVE-2018-5229?

It affects 1 product.

Products include Atlassian Universal Plugin Manager.

How do I fix CVE-2018-5229?

No fix has been published for CVE-2018-5229 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-2018-5229 being exploited?

There is no known exploitation of CVE-2018-5229 in the wild and no public exploit code.

Sources

Also known as GHSA-8mmq-vpxh-4872.