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.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Fp_newsletter | Fp_newsletter_project | * | 1.1.1 (excluding) |
| Fp_newsletter | Fp_newsletter_project | 2.0.0 (including) | 2.1.2 (excluding) |
| Fp_newsletter | Fp_newsletter_project | 2.2.1 (including) | 2.4.0 (including) |
| Fp_newsletter | Fp_newsletter_project | 3.0.0 (including) | 3.2.6 (excluding) |
| Fp_newsletter | Fp_newsletter_project | 1.2.0 (including) | 1.2.0 (including) |