Reflected Cross-Site Scripting Vulnerability in MailEnable

CVE-2025-34408

What is CVE-2025-34408?

MailEnable versions prior to 10.54 are vulnerable to a reflected cross-site scripting (XSS) flaw. This vulnerability arises from improper sanitization of the Added parameter in the /Mondo/lang/sys/Forms/MAI/AddRecipientsResult.aspx page, allowing an attacker to inject malicious scripts through crafted GET requests. An attacker can exploit this by manipulating the Added value to close existing HTML tags and insert arbitrary JavaScript into a victim's browser when they visit a compromised link. Such exploitation can result in unauthorized access to sensitive information, redirection to malicious sites, theft of cookies, or execution of arbitrary actions on behalf of the authenticated user.

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References