CVE-2022-36108 Cross-Site Scripting in typo3/cms-core

What is CVE-2022-36108?

CVE-2022-36108 is a medium-severity cross-site scripting vulnerability in Typo3 Typo3, published on 13 Sep 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

TYPO3 is an open source PHP based web content management system released under the GNU GPL. It has been discovered that the `f:asset.css` view helper is vulnerable to cross-site scripting when user input is passed as variables to the CSS. Update to TYPO3 version 10.4.32 or 11.5.16 that fix the problem. There are no known workarounds for this issue.

Weakness: CWE-79

Which versions are affected by CVE-2022-36108?

9 open source packages ship an affected version, including typo3/cms, typo3 and typo3/cms-core. It affects 1 product.

Products include Typo3 Typo3.

How do I fix CVE-2022-36108?

Upgrade typo3/cms to a fixed version for your release line: 10.4.32 or 11.5.16.

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-2022-36108 being exploited?

There is no known exploitation of CVE-2022-36108 in the wild and no public exploit code.

Other vulnerabilities in Typo3 Typo3

• CVE-2009-0258 Indexed Search Engine for TYPO3 Command Execution via Metacharacter Injection Critical 10.0
• CVE-2011-3583 Typo3 SQL injection due to faulty prepared statements Critical 9.8
• CVE-2011-4628 Typo3 Authentication Bypass Critical 9.8
• CVE-2023-24814 Persisted Cross-Site Scripting in Frontend Rendering in typo3 High 8.8
• CVE-2021-41113 Cross-Site-Request-Forgery in Backend URI Handling in Typo3 High 8.8

All Typo3 Typo3 vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-typo3-2022-36108, GHSA-fv2m-9249-qx85.