CVE-2025-3019 Cross-site scripting vulnerabilities in KNIME Business Hub web pages

Medium 5.3 Published 31 Mar 2025 Updated 31 Mar 2025

Attackers can execute arbitrary JavaScript via malicious links, leading to data loss or modification in KNIME Business Hub.

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: None listed

What is CVE-2025-3019?

CVE-2025-3019 is a medium-severity cross-site scripting vulnerability in KNIME Business Hub, published on 31 Mar 2025. 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

KNIME Business Hub is affected by several cross-site scripting vulnerabilities in its web pages. If a user clicks on a malicious link or opens a malicious web page, arbitrary Java Script may be executed with this user's permissions. This can lead to information loss and/or modification of existing data. The issues are caused by a bug https://github.com/Baroshem/nuxt-security/issues/610 in the widely used nuxt-security module.

There are no viable workarounds therefore we strongly recommend to update to one of the following versions of KNIME Business Hub:

* 1.13.3 or later

* 1.12.4 or later

Weakness: CWE-79

Which versions are affected by CVE-2025-3019?

It affects 1 product.

Products include Knime Business Hub.

How do I fix CVE-2025-3019?

No fix has been published for CVE-2025-3019 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-2025-3019 being exploited?

There is no known exploitation of CVE-2025-3019 in the wild and no public exploit code.

Sources

Also known as GHSA-4c3m-33r2-8r8w.