TYPO3 is an enterprise content management system. Starting in version 13.0.0 and prior to version 13.1.1, 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. TYPO3 version 13.1.1 fixes the problem described.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| typo3/cms-core(Packagist) | 13.0.0 | 13.1.1 | N/A |
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