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CVSS Score
-The vulnerability stems from improper cache key generation in Extbase's query caching mechanism. The root cause is the absence of user group context in cache identifiers, which allowed cross-group data leakage. The functions responsible for generating cache keys (Typo3DbBackend::getCacheIdentifier) and executing/caching queries (Query::execute) are directly implicated. These functions would have been patched to include user group information in the cache key, aligning with the vulnerability description and resolution in TYPO3 6.2.3.
| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| typo3/cms | composer | >= 6.2.0, < 6.2.3 | 6.2.3 |