CVE-2025-64203
High
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.
SeverityHigh
CVSS7.1
Exploit probability—
ProductMailster
PublishedDec 18, 2025
First seenDec 18, 2025
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| EverPress Mailster | v ≤ 4.1.14 | — |
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