CVE-2023-31853 Cross-site scripting in n/a

Medium 6.1 Published 17 Jul 2023 Updated 30 Oct 2024

An attacker can inject malicious scripts into the bandwidth admin page of the Cudy LT400 router via the icon parameter.

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-2023-31853?

CVE-2023-31853 is a medium-severity cross-site scripting vulnerability in n/a, published on 17 Jul 2023. 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

Cudy LT400 1.13.4 is vulnerable Cross Site Scripting (XSS) in /cgi-bin/luci/admin/network/bandwidth via the icon parameter.

Weakness: CWE-79

Which versions are affected by CVE-2023-31853?

It affects 1 product.

Products include Cudy Lt400 Firmware.

How do I fix CVE-2023-31853?

No fix has been published for CVE-2023-31853 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-2023-31853 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-31853 exists.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-xh64-ffcx-p82v.