MailEnable, Cross-Site Scripting (XSS), CVE-2025-34408 (Medium)

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The vulnerability is a reflected Cross-Site Scripting (XSS) flaw within MailEnable’s web interface. Specifically, the `Added` parameter in the `/Mondo/lang/sys/Forms/MAI/AddRecipientsResult.aspx` endpoint fails to sanitize user input when processed via a GET request. An attacker can craft a malicious URL where the `Added` parameter contains a payload designed to escape the existing HTML list element context. This payload, typically closing a `

` tag and injecting a `

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