TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 it has been discovered that content elements of type _menu_ are vulnerable to cross-site scripting when their referenced items get previewed in the page module. A valid backend user account is needed to exploit this vulnerability. This is fixed in versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| typo3/cms-backend(Packagist) | 7.0.0 | 7.6.51 | N/A |
| typo3/cms-backend(Packagist) | 8.0.0 | 8.7.40 | N/A |
| typo3/cms-backend(Packagist) | 9.0.0 | 9.5.25 | N/A |
| typo3/cms-backend(Packagist) | 10.0.0 | 10.4.14 | N/A |
| typo3/cms-backend(Packagist) | 11.0.0 | 11.1.1 | N/A |
| typo3/cms-core(Packagist) | 10.0.0 | 10.4.14 | N/A |
| typo3/cms-core(Packagist) | 11.0.0 | 11.1.1 | N/A |
| typo3/cms-core(Packagist) | 9.0.0 | 9.5.25 | N/A |
| typo3/cms(Packagist) | 10.0.0 | 10.4.14 | N/A |
| typo3/cms(Packagist) | 11.0.0 | 11.1.1 | N/A |
| typo3/cms(Packagist) | 9.0.0 | 9.5.25 | N/A |
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