CVE-2026-111830High· 7.1▾ TwilightImproper 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.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 39.1 · likelihood 0 · exploitation 0
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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.
wp-mailster <= 1.9.1.0Update the WordPress WP Mailster plugin to the latest available version (at least 1.9.2.0).
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-105061High· 7.1Unauthenticated Cross Site Scripting (XSS) in WP Mailster <= 1.9.0.0 versions.
CVE-2026-111832Critical· 10.0WordPress WP Mailster plugin <= 1.9.1.0 - Arbitrary File Upload vulnerability
CVE-2026-111829Medium· 6.5WordPress WP Mailster plugin <= 1.9.1.0 - Local File Inclusion vulnerability
CVE-2026-105055Medium· 5.3Missing Authorization vulnerability in WP Mailster WP Mailster wp-mailster allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WP Mailster: from n/a through 1.9.0.0.
CVE-2021-41164High· 8.2CKEditor4 is an open source WYSIWYG HTML editor
CVE-2021-41184Medium· 6.5jQuery-UI is the official jQuery user interface library