Quick Event Manager CVE debriefs

These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.

MEDIUM Quick Event Manager CVE published 2026-11-06

CVE-2026-121636

CVE-2026-121636 is a vulnerability in the Quick Event Manager WordPress plugin before version 9.19. This issue arises because the plugin does not verify the authenticity of PayPal payment notifications, allowing unauthenticated attackers to mark event registrations as paid without making a payment. The vulnerability has a medium severity and defenders should assess their exposure and verify payment notifi [truncated]