High · 7.1 CVE-2026-111830 EUVD-2026-108069GHSA-7h23-rphh-2c47

WordPress WP Mailster plugin <= 1.9.1.0 - Cross Site Scripting (XSS) vulnerability

Published Oct 22, 2026 · Updated Oct 22, 2026 · Assigned by Patchstack

Vendor: WP Mailster Product: WP Mailster

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.

Affected products

Vendor	Product	Affected	Fixed
WP Mailster	WP Mailster	≤ 1.9.1.0	—

References

https://patchstack.com/database/wordpress/plugin/wp-mailster/vulnerability/wordpress-wp-mailster-plugin-1-9-1-0-cross-site-scripting-xss-vulnerability?_s_id=cve vdb-entry