CVE-2023-43263 Cross-site scripting in n/a

Medium 6.1 Published 26 Sep 2023 Updated 23 Sep 2024

Attackers can execute arbitrary code via the Markdown component in Froala Editor, requiring users to upgrade to a patched version.

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-2023-43263?

CVE-2023-43263 is a medium-severity cross-site scripting vulnerability in n/a, published on 26 Sep 2023. 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

A Cross-site scripting (XSS) vulnerability in Froala Editor v.4.1.1 allows attackers to execute arbitrary code via the Markdown component.

Weakness: CWE-79

Which versions are affected by CVE-2023-43263?

It affects 1 product.

Products include Froala Froala Editor.

How do I fix CVE-2023-43263?

No fix has been published for CVE-2023-43263 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-2023-43263 being exploited?

There is no known exploitation of CVE-2023-43263 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-2vwj-xrr6-mmcf.