CVE-2024-53803: Wpmailster Wp Mailster

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Missing Authorization vulnerability in brandtoss WP Mailster wp-mailster allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WP Mailster: from n/a through <= 1.8.16.0.

Affected products

• Wpmailster Wp Mailster: before 1.8.17 (fixed in 1.8.17)

Published 2024-12-06. Last modified 2026-06-17.