CVE-2025-52557 HIGH

CVE-2025-52557: Mail-0 Zero Session Hijacking Via Email

Vendor Mail-0
Product Zero
Weakness CWE-1384
Published June 21, 2025
Last update June 23, 2025
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction —
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Mail-0's Zero is an open-source email solution. In version 0.8 it's possible for an attacker to craft an email that executes javascript leading to session hijacking due to improper sanitization. This issue has been patched in version 0.81.

Key dates

02Disclosure timeline

June 21, 2025 CVE published
June 23, 2025 Record updated