GHSA-6xwf-7rfm-4gwc TYPO3 Cross-Site Scripting in Filelist Module
An attacker with file system access can inject malicious scripts into the TYPO3 backend file list, potentially compromising administrator sessions.
- 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
- Available
What is GHSA-6xwf-7rfm-4gwc?
GHSA-6xwf-7rfm-4gwc is a cross-site scripting vulnerability in typo3/cms-core, published on 30 May 2024. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
It has been discovered that the output table listing in the “Files” backend module is vulnerable to cross-site scripting when a file extension contains malicious sequences.
Access to the file system of the server - either directly or through synchronization - is required to exploit the vulnerability.
Which versions are affected by GHSA-6xwf-7rfm-4gwc?
6 open source packages ship an affected version, including typo3/cms-core.
| Package | Affected | Fixed in |
|---|---|---|
typo3/cms-core Packagist | From 10.0.0 | 10.2.1 |
typo3/cms-core Packagist | From 10.0.0 | 10.2.1 |
typo3/cms-core Packagist | From 8.0.0 | 8.7.30 |
typo3/cms-core Packagist | From 8.0.0 | 8.7.30 |
typo3/cms-core Packagist | From 9.0.0 | 9.5.12 |
typo3/cms-core Packagist | From 9.0.0 | 9.5.12 |
How do I fix GHSA-6xwf-7rfm-4gwc?
Upgrade typo3/cms-core to a fixed version for your release line: 10.2.1, 8.7.30 or 9.5.12.
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-6xwf-7rfm-4gwc being exploited?
There is no known exploitation of GHSA-6xwf-7rfm-4gwc in the wild and no public exploit code.