CVE-2023-46099 Cross-site scripting in SIMATIC PCS neo

Q: Is CVE-2023-46099 being exploited?

There is no known exploitation of CVE-2023-46099 in the wild and no public exploit code.

Q: How do I fix CVE-2023-46099?

No fix has been published for CVE-2023-46099 yet. Limit exposure of the affected software until one is available.

Medium 5.4 Published 14 Nov 2023 Updated 8 Jan 2025

Stored XSS in SIMATIC PCS neo allows high-privilege attackers to inject JavaScript executed by other users, risking account takeover.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2023-46099?

CVE-2023-46099 is a medium-severity cross-site scripting vulnerability in Siemens SIMATIC PCS neo, published on 14 Nov 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A vulnerability has been identified in SIMATIC PCS neo (All versions < V4.1). There is a stored cross-site scripting vulnerability in the Administration Console of the affected product, that could allow an attacker with high privileges to inject Javascript code into the application that is later executed by another legitimate user.

Weakness: CWE-79

Which versions are affected by CVE-2023-46099?

It affects 1 product.

Products include Siemens Simatic Pcs Neo.

How do I fix CVE-2023-46099?

No fix has been published for CVE-2023-46099 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-2023-46099 being exploited?

There is no known exploitation of CVE-2023-46099 in the wild and no public exploit code.

Sources

Also known as GHSA-mhhf-5vm4-7jg8.