High · 7.1 CVE-2025-64203 EUVD-2025-204086GHSA-39f9-v6jc-j4qf

WordPress Mailster plugin < 4.1.14 - Cross Site Scripting (XSS) vulnerability

Published Dec 18, 2025 · Updated Apr 28, 2026 · Assigned by Patchstack

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in EverPress Mailster mailster allows Reflected XSS.This issue affects Mailster: from n/a through < 4.1.14.

Affected products

Vendor	Product	Affected	Fixed
EverPress	Mailster	≤ 4.1.14	—

References

https://patchstack.com/database/Wordpress/Plugin/mailster/vulnerability/wordpress-mailster-plugin-4-1-14-cross-site-scripting-xss-vulnerability?_s_id=cve vdb-entry