An issue was discovered in the fp_newsletter (aka Newsletter subscriber management) extension before 1.1.1, 1.2.0, 2.x before 2.1.2, 2.2.1 through 2.4.0, and 3.x before 3.2.6 for TYPO3. Attackers can unsubscribe everyone via a series of modified subscription UIDs in deleteAction operations.
Metrics
CVSS Version: 3.1 |
Base Score: 9.1 CRITICAL Vector: CVSS:3.1/AC:L/AV:N/A:N/C:H/I:H/PR:N/S:U/UI:N