CVE-2019-4431 Cross-site scripting in Rational Publishing Engine

Medium 5.4 Published 12 Feb 2020 Updated 16 Sep 2024

Attackers can inject JavaScript into the web interface to steal credentials from trusted sessions in IBM Rational Publishing Engine.

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-2019-4431?

CVE-2019-4431 is a medium-severity cross-site scripting vulnerability in IBM Rational Publishing Engine, published on 12 Feb 2020. 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 Rational Publishing Engine 6.0.6 and 6.0.6.1 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: 162888.

Weakness: CWE-79

Which versions are affected by CVE-2019-4431?

It affects 1 product.

Products include Ibm Engineering Lifecycle Optimization - Publishing.

How do I fix CVE-2019-4431?

No fix has been published for CVE-2019-4431 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-2019-4431 being exploited?

There is no known exploitation of CVE-2019-4431 in the wild and no public exploit code.

Sources

Also known as GHSA-wj8f-vwpr-gq38.