CVE-2023-42426 Cross-site scripting in n/a

Medium 6.1 Published 25 Sep 2023 Updated 9 Jul 2026

Remote attackers can execute arbitrary code via XSS in the Insert Image component of Froala Editor.

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-2023-42426?

CVE-2023-42426 is a medium-severity cross-site scripting vulnerability in n/a, published on 25 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

Cross-site scripting (XSS) vulnerability in Froala Froala Editor v.4.1.1 allows remote attackers to execute arbitrary code via the 'Insert link' parameter in the 'Insert Image' component.

Weakness: CWE-79

Which versions are affected by CVE-2023-42426?

It affects 1 product.

Products include Froala Froala Editor.

How do I fix CVE-2023-42426?

No fix has been published for CVE-2023-42426 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-2023-42426 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-42426 exists.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-fp88-rr3f-rchj.