CVE-2026-111830

High

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WP Mailster WP Mailster wp-mailster allows Stored XSS.This issue affects WP Mailster: from n/a through 1.9.1.0.

SeverityHigh
CVSS7.1
Exploit probability—
ProductWP Mailster
PublishedOct 22, 2026
First seenOct 22, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
WP Mailster WP Mailsterv ≤ 1.9.1.0—

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