CVE-2021-43729 Cross-site scripting in n/a

Medium 5.4 Published 20 May 2022 Updated 4 Aug 2024

Attackers can inject malicious scripts via the Security Key parameter in Pix-Link Mini Routers, potentially compromising user sessions.

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-2021-43729?

CVE-2021-43729 is a medium-severity cross-site scripting vulnerability in n/a, published on 20 May 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Pix-Link MiNi Router 28K.MiniRouter.20190211 was discovered to contain a stored cross-site scripting (XSS) vulnerability due to an unsanitized Security Key parameter.

Weakness: CWE-79

Which versions are affected by CVE-2021-43729?

It affects 1 product.

Products include Pix-Link Lv-Wr09 Firmware.

How do I fix CVE-2021-43729?

No fix has been published for CVE-2021-43729 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-2021-43729 being exploited?

There is no known exploitation of CVE-2021-43729 in the wild and no public exploit code.

Sources

Also known as GHSA-w5w9-f25c-x66m.