CVE-2019-4403 Cross-site scripting in Connections

Medium 5.4 Published 14 Jun 2019 Updated 17 Sep 2024

Attackers can inject JavaScript into IBM Connections to steal credentials or alter functionality within trusted user sessions.

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-2019-4403?

CVE-2019-4403 is a medium-severity cross-site scripting vulnerability in IBM Connections, published on 14 Jun 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

IBM Connections 6.0 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 162264.

Weakness: CWE-79

Which versions are affected by CVE-2019-4403?

It affects 1 product.

Products include Ibm Connections.

How do I fix CVE-2019-4403?

No fix has been published for CVE-2019-4403 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-2019-4403 being exploited?

There is no known exploitation of CVE-2019-4403 in the wild and no public exploit code.

Sources

Also known as GHSA-cmmv-v432-8pqv.