CVE-2024-30503: Mailster

Medium severity, CVSS 6.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in EverPress Mailster mailster.This issue affects Mailster: from n/a through <= 4.0.6.

Affected products

• Mailster Mailster: before 4.0.7 (fixed in 4.0.7)

Published 2024-03-29. Last modified 2026-06-17.