GHSA-85ch-44w7-rf32 TYPO3 Cross-Site Scripting in Fluid ViewHelpers
Attackers can execute arbitrary scripts in victim browsers via unencoded input in TYPO3 Fluid ViewHelpers, potentially stealing sessions or data.
- 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-85ch-44w7-rf32?
GHSA-85ch-44w7-rf32 is a cross-site scripting vulnerability in typo3/cms, published on 7 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-85ch-44w7-rf32?
4 open source packages ship an affected version, including typo3/cms.
| Package | Affected | Fixed in |
|---|---|---|
typo3/cms Packagist | From 8.0.0 | 8.7.23 |
typo3/cms Packagist | From 8.0.0 | 8.7.23 |
typo3/cms Packagist | From 9.0.0 | 9.5.4 |
typo3/cms Packagist | From 9.0.0 | 9.5.4 |
How do I fix GHSA-85ch-44w7-rf32?
Upgrade typo3/cms to a fixed version for your release line: 8.7.23 or 9.5.4.
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-85ch-44w7-rf32 being exploited?
There is no known exploitation of GHSA-85ch-44w7-rf32 in the wild and no public exploit code.