CVE-2025-58018: Richard Leishman Mail Subscribe List

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Richard Leishman Mail Subscribe List mail-subscribe-list allows Stored XSS.This issue affects Mail Subscribe List: from n/a through <= 2.1.10.

Affected products

• Richard Leishman Mail Subscribe List: up to and including 2.1.10

Published 2025-09-22. Last modified 2026-06-17.