GHSA-P652-XCGX-F85M "powermail" (powermail) Insecure Direct Object Reference (IDOR)

An issue was discovered in powermail extension through 12.3.5 for TYPO3. It fails to validate the mail parameter of the confirmationAction, resulting in Insecure Direct Object Reference IDOR. An unauthenticated attacker can use this to display the user-submitted data of all forms persisted by the...