CVE-2026-104083 | SmarterTools SmarterMail up to 9560 HTML Sanitizer message-iframe HTML injection

October 9, 2026 Yanac

A vulnerability was found in SmarterTools SmarterMail. It has been classified as problematic. This affects an unknown part of the file /interface/message-iframe of the component HTML Sanitizer. This manipulation causes HTML injection.

This vulnerability is registered as CVE-2026-104083. Remote exploitation of the attack is possible. No exploit is available.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More