CVE-2021-43932 Elcomplus SmartPtt Cross-site Scripting

Critical 9.0 Published 28 Apr 2022 Updated 16 Apr 2025

Attackers can inject JavaScript into SmartPTT parameters, executing code on the dashboard or main page for users.

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-2021-43932?

CVE-2021-43932 is a critical cross-site scripting vulnerability in Elcomplus SmartPTT, published on 28 Apr 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

Elcomplus SmartPTT is vulnerable when an attacker injects JavaScript code into a specific parameter that can executed upon accessing the dashboard or the main page.

Weakness: CWE-79

Which versions are affected by CVE-2021-43932?

It affects 1 product.

Products include Smartptt Smartptt Scada.

How do I fix CVE-2021-43932?

No fix has been published for CVE-2021-43932 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-2021-43932 being exploited?

There is no known exploitation of CVE-2021-43932 in the wild and no public exploit code.

Sources

Also known as GHSA-mpg8-2r33-cx42.