The extension validates the HMAC of a frontend employee edit link only in the action that renders the edit form, not in the action that persists the change. An unauthenticated visitor who knows the UID of a visible employee record can send a direct POST request to the update action and overwrite that record without a valid edit link or any ownership check.

The extension validates the HMAC of a frontend employee edit link only in the action that renders the edit form, not in the action that persists the change. An unauthenticated visitor who knows the UID of a visible employee record can send a direct POST request to the update action and overwrite that record without a valid edit link or any ownership check.

Ein Angreifer kann mehrere Schwachstellen in verschiedenen TYPO3 Extensions ausnutzen, um beliebigen Programmcode auszuführen, SQL-Injection durchzuführen, erweiterte Berechtigungen zu erlangen, Daten zu manipulieren, sensible Informationen offenzulegen, Sicherheitsmaßnahmen zu umgehen oder einen Denial-of-Service-Zustand auszulösen.