CVE-2021-41427 Cross-site scripting in n/a

Medium 6.1 Published 10 Nov 2021 Updated 4 Aug 2024

An attacker can execute arbitrary scripts in the victim's browser via the choose_mac parameter in the Beeline Smart Box setup interface.

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-2021-41427?

CVE-2021-41427 is a medium-severity cross-site scripting vulnerability in n/a, published on 10 Nov 2021. 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

Beeline Smart Box 2.0.38 is vulnerable to Cross Site Scripting (XSS) via the choose_mac parameter to setup.cgi.

Weakness: CWE-79

Which versions are affected by CVE-2021-41427?

It affects 1 product.

Products include Beeline Smart Box Firmware.

How do I fix CVE-2021-41427?

No fix has been published for CVE-2021-41427 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-2021-41427 being exploited?

There is no known exploitation of CVE-2021-41427 in the wild and no public exploit code.

Sources

Also known as GHSA-m8jf-cw8f-j8r5.