VYPR
Medium severity6.1NVD Advisory· Published Dec 9, 2025· Updated Jun 17, 2026

CVE-2025-34397

CVE-2025-34397

Description

MailEnable versions prior to 10.54 contain a reflected cross-site scripting (XSS) vulnerability in the Message parameter of /Mobile/Compose.aspx. The Message value is not properly sanitized when processed via a GET request and is reflected into a JavaScript context in the response. By supplying a crafted payload that terminates the existing script block/function, injects attacker-controlled JavaScript, and comments out the remaining code, a remote attacker can execute arbitrary JavaScript in a victim’s browser when the victim opens the crafted reply URL. Successful exploitation can redirect victims to malicious sites, steal non-HttpOnly cookies, inject arbitrary HTML or CSS, and perform actions as the authenticated user.

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Affected products

3
  • cpe:2.3:a:mailenable:mailenable:*:*:*:*:standard:*:*:*+ 2 more
    • cpe:2.3:a:mailenable:mailenable:*:*:*:*:standard:*:*:*range: <10.54
    • (no CPE)range: <10.54
    • (no CPE)range: 0

Patches

Vulnerability mechanics

References

3

News mentions

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