CVE-2025-64203: high-severity vulnerability in EverPress Mailster
WordPress Mailster plugin < 4.1.14 - Cross Site Scripting (XSS) vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.1epss 0.2%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Affected products
EverPress · MailsterRelated CVEs — EverPress Mailster
In the same product, most dangerous first.
CVE-2024-32523HIGHWordPress Mailster plugin <= 4.0.6 - Unauthenticated Local File Inclusion vulnerabilityEPSS 1.8%CVE-2026-27064CRITICALWordPress Mailster plugin <= 4.1.17 - Arbitrary File Upload vulnerabilityEPSS 0.5%CVE-2024-30503HIGHWordPress Mailster plugin <= 4.0.6 - Reflected Cross Site Scripting (XSS) vulnerabilityEPSS 0.4%CVE-2024-37433HIGHWordPress Mailster plugin <= 4.0.9 - Reflected Cross Site Scripting (XSS) vulnerabilityEPSS 0.3%