CVE-2021-24343 iFlyChat – WordPress Chat < 4.7.0 - Admin+ Stored Cross-Site Scripting (XSS)

Medium 4.8 Published Updated

Authenticated attackers can inject malicious scripts via the APP ID setting in the iFlyChat WordPress plugin, potentially leading to session hijacking or code execution.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2021-24343?

CVE-2021-24343 is a medium-severity cross-site scripting vulnerability in Unknown iFlyChat – WordPress Chat, published on 7 Jun 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

The iFlyChat WordPress plugin before 4.7.0 does not sanitise its APP ID setting before outputting it back in the page, leading to an authenticated Stored Cross-Site Scripting issue

Weakness: CWE-79

Which versions are affected by CVE-2021-24343?

It affects 1 product.

Products include Iflychat Iflychat.

How do I fix CVE-2021-24343?

No fix has been published for CVE-2021-24343 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-2021-24343 being exploited?

There is no known exploitation of CVE-2021-24343 in the wild and no public exploit code.

Sources

Also known as GHSA-3gj8-rw59-4xgx.

Is CVE-2021-24343 in your software?

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