CVE-2020-27406 Cross-site scripting in n/a

Medium 5.4 Published 2 Nov 2021 Updated 9 Jul 2026

Authenticated attackers can execute arbitrary code via a Cross-Site Scripting vulnerability in the groupname field of DynPG.

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-2020-27406?

CVE-2020-27406 is a medium-severity cross-site scripting vulnerability in n/a, published on 2 Nov 2021. 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 DynPG 4.9.1, allows authenticated attackers to execute arbitrary code via the groupname.

Weakness: CWE-79

Which versions are affected by CVE-2020-27406?

It affects 1 product.

Products include Dynpg Dynpg.

How do I fix CVE-2020-27406?

No fix has been published for CVE-2020-27406 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-2020-27406 being exploited?

There is no known exploitation of CVE-2020-27406 in the wild and no public exploit code.

Sources

Also known as GHSA-hp3f-7693-2xp7.