CVE-2021-42584 Cross-site scripting in n/a

Medium 5.4 Published 17 Dec 2021 Updated 4 Aug 2024

Stored XSS in Convos-Chat allows attackers to inject malicious scripts, potentially leading to session hijacking or code execution.

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-2021-42584?

CVE-2021-42584 is a medium-severity cross-site scripting vulnerability in n/a, published on 17 Dec 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

A Stored Cross Site Scripting (XSS) issue exists in Convos-Chat before 6.32.

Weakness: CWE-79

Which versions are affected by CVE-2021-42584?

It affects 1 product.

Products include Convos Convos.

How do I fix CVE-2021-42584?

No fix has been published for CVE-2021-42584 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-2021-42584 being exploited?

There is no known exploitation of CVE-2021-42584 in the wild and no public exploit code.

Sources

Also known as GHSA-r3x3-fwhm-94p7.