CVE-2021-43574 Cross-site scripting in n/a

Medium 6.1 Published 15 Nov 2021 Updated 4 Aug 2024

Cross-site scripting in Atmail WebAdmin Control Panel allows attackers to inject scripts, affecting unsupported legacy software.

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-2021-43574?

CVE-2021-43574 is a medium-severity cross-site scripting vulnerability in n/a, published on 15 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

WebAdmin Control Panel in Atmail 6.5.0 (a version released in 2012) allows XSS via the format parameter to the default URI. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Weakness: CWE-79

Which versions are affected by CVE-2021-43574?

It affects 1 product.

Products include Atmail Atmail.

How do I fix CVE-2021-43574?

No fix has been published for CVE-2021-43574 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-2021-43574 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-43574 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-hj26-rh6r-85r8.