GNU Mailman 2.1.39, as bundled in cPanel (and WHM), allows unauthenticated attackers to create lists via the /mailman/create endpoint. NOTE: multiple third parties report that they are unable to reproduce this, regardless of whether cPanel or WHM is used.
2025-04-20T01:15:46.043
2025-04-28T14:15:22.477
Modified
CVSSv3.1: 5.3 (MEDIUM)