GHSA-4542-p56h-8xww Cross-Site Scripting (XSS) vulnerabilities in Neos
Attackers can exploit XSS in Neos to steal credentials, redirect users, or potentially upload backdoors to compromise the server.
- 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
- Available
What is GHSA-4542-p56h-8xww?
GHSA-4542-p56h-8xww is a cross-site scripting vulnerability in typo3/neos, published on 5 Jun 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Which versions are affected by GHSA-4542-p56h-8xww?
4 open source packages ship an affected version, including typo3/neos.
| Package | Affected | Fixed in |
|---|---|---|
typo3/neos Packagist | From 1.2.0 | 1.2.13 |
typo3/neos Packagist | From 1.2.0 | 1.2.13 |
typo3/neos Packagist | From 2.0.0 | 2.0.4 |
typo3/neos Packagist | From 2.0.0 | 2.0.4 |
How do I fix GHSA-4542-p56h-8xww?
Upgrade typo3/neos to a fixed version for your release line: 1.2.13 or 2.0.4.
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 GHSA-4542-p56h-8xww being exploited?
There is no known exploitation of GHSA-4542-p56h-8xww in the wild and no public exploit code.