CVE-2022-47409

Name of the Vulnerable Software and Affected Versions fp newsletter extension versions prior to 1.1.1 fp newsletter extension version 1.2.0 fp newsletter extension versions 2.x prior to 2.1.2 fp newsletter extension versions 2.2.1 through 2.4.0 fp newsletter extension versions 3.x prior to 3.2.6

Description An issue was discovered in the fp newsletter extension for TYPO3, where attackers can unsubscribe everyone via a series of modified subscription UIDs in deleteAction operations.

Recommendations For fp newsletter extension versions prior to 1.1.1, update to version 1.1.1 or later. For fp newsletter extension version 1.2.0, update to version 2.1.2 or later. For fp newsletter extension versions 2.x prior to 2.1.2, update to version 2.1.2 or later. For fp newsletter extension versions 2.2.1 through 2.4.0, update to version 3.2.6 or later. For fp newsletter extension versions 3.x prior to 3.2.6, update to version 3.2.6 or later. As a temporary workaround, consider restricting access to the deleteAction operation until a patch is available.