CVE-2023-42029 IBM CICS TX cross-site scripting

Medium 4.8 Published 2 Nov 2023 Updated 5 Sep 2024

Attackers can inject JavaScript into the Web UI to steal credentials from trusted sessions in IBM CICS TX products.

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

What is CVE-2023-42029?

CVE-2023-42029 is a medium-severity cross-site scripting vulnerability in IBM CICS TX Advanced, published on 2 Nov 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

IBM CICS TX Standard 11.1, Advanced 10.1, 11.1, and TXSeries for Multiplatforms 8.1, 8.2, 9.1 are 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: 266059.

Weakness: CWE-79

Which versions are affected by CVE-2023-42029?

It affects 2 products.

Products include Ibm Cics Tx, Ibm Txseries for Multiplatforms.

How do I fix CVE-2023-42029?

No fix has been published for CVE-2023-42029 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-2023-42029 being exploited?

There is no known exploitation of CVE-2023-42029 in the wild and no public exploit code.

Sources

Also known as GHSA-272j-mppr-v33q.