The jumpUrl mechanism in class.tslib_fe.php in TYPO3 3.3.x through 3.8.x, 4.0 before 4.0.12, 4.1 before 4.1.10, 4.2 before 4.2.6, and 4.3alpha1 leaks a hash secret (juHash) in an error message, which allows remote attackers to read arbitrary files by including the hash in a request.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| typo3/cms(Packagist) | 3.3 | 4.0.12 | N/A |
| typo3/cms(Packagist) | 4.1 | 4.1.10 | N/A |
| typo3/cms(Packagist) | 4.2 | 4.2.6 | N/A |
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