CVE-2024-34355: TYPO3 vulnerable to an HTML Injection in the History Module
First published: Tue May 14 2024(Updated: )
### Problem The history backend module is vulnerable to HTML injection. Although Content-Security-Policy headers effectively prevent JavaScript execution, adversaries can still inject malicious HTML markup. Exploiting this vulnerability requires a valid backend user account. ### Solution Update to TYPO3 version 13.1.1 that fixes the problem described. ### Credits Thanks to TYPO3 core team member Andreas Kienast who reported this issue and to TYPO3 core & security team Benjamin Franzke who fixed the issue. ### References * [TYPO3-CORE-SA-2024-007](https://typo3.org/security/advisory/typo3-core-sa-2024-007)
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/typo3/cms-core | >=13.0.0<=13.1.0 | 13.1.1 |
| TYPO3 | >=13.0.0<13.1.1 |
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Reference Links
- https://github.com/TYPO3/typo3/security/advisories/GHSA-xjwx-78x7-q6jc
- https://github.com/TYPO3/typo3/commit/56afa304ba8b5ad302e15df5def71bcc8d820375
- https://typo3.org/security/advisory/typo3-core-sa-2024-007
- https://nvd.nist.gov/vuln/detail/CVE-2024-34355
- https://github.com/advisories/GHSA-xjwx-78x7-q6jc (Advisory)
Frequently Asked Questions
What is the severity of CVE-2024-34355?
CVE-2024-34355 is a moderate severity vulnerability that allows for HTML injection in the TYPO3 CMS.
How do I fix CVE-2024-34355?
To mitigate CVE-2024-34355, update TYPO3 CMS to version 13.1.1 or later.
Who is affected by CVE-2024-34355?
CVE-2024-34355 affects TYPO3 CMS versions from 13.0.0 to 13.1.0.
What kind of attack can CVE-2024-34355 enable?
CVE-2024-34355 can enable an attacker with a valid backend user account to inject malicious HTML markup.
Is a Content-Security-Policy effective against CVE-2024-34355?
While Content-Security-Policy headers prevent JavaScript execution, they do not mitigate the HTML injection aspect of CVE-2024-34355.
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