CVE-2023-30321 Cross-site scripting in n/a

Critical 9.0 Published 6 Jul 2023 Updated 20 Nov 2024

Attackers can execute arbitrary code via XSS in the ChatEngine login servlet's textMessage field.

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-2023-30321?

CVE-2023-30321 is a critical cross-site scripting vulnerability in n/a, published on 6 Jul 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Cross Site Scripting (XSS) vulnerability in textMessage field in /src/chatbotapp/LoginServlet.java in wliang6 ChatEngine commit fded8e710ad59f816867ad47d7fc4862f6502f3e, allows attackers to execute arbitrary code.

Weakness: CWE-79

Which versions are affected by CVE-2023-30321?

It affects 1 product.

Products include Chatengine Project Chatengine.

How do I fix CVE-2023-30321?

No fix has been published for CVE-2023-30321 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-2023-30321 being exploited?

There is no known exploitation of CVE-2023-30321 in the wild and no public exploit code.

Sources

Also known as GHSA-w663-c34c-q8hv.