CVE-2026-66596

HighCVSS 7.1

Published: 19/08/2026(UTC)Updated: 19/08/2026(UTC)Translated: 19/08/2026(UTC)NVD NIST

Summary

Unauthenticated Cross Site Scripting (XSS) vulnerability in Newsletter plugin versions up to 9.3.3. An attacker can inject malicious script without authentication.

Risk Assessment

Risk of malicious script execution in user's browser, potentially leading to session theft, account takeover, or malware distribution.

Recommendation

Update the Newsletter plugin to the latest version that includes a fix for this vulnerability.

Original NVD description (English source)

Unauthenticated Cross Site Scripting (XSS) in Newsletter <= 9.3.3 versions.