CVE-2026-57416: Siteground Email Marketing

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in SiteGround SiteGround Email Marketing siteground-email-marketing allows Stored XSS.This issue affects SiteGround Email Marketing: from n/a through <= 1.7.5.

Affected products

• Siteground Siteground Email Marketing: up to and including 1.7.5

Published 2026-07-13. Last modified 2026-07-13.