CVE-2026-65437: Cleantalk Inc Spam Protection, Antispam, Firewall By Cleantalk

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

Unauthenticated Cross Site Scripting (XSS) in Spam protection, AntiSpam, FireWall by CleanTalk <= 6.82 versions.

Affected products

• Cleantalk Inc Spam Protection, Antispam, Firewall By Cleantalk: up to and including 6.82

Published 2026-07-27. Last modified 2026-07-28.