CVE-2025-52557
High
Description
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.
SeverityHigh
CVSS8.6
Exploit probability—
ProductZero
PublishedJun 21, 2025
First seenJun 21, 2025
Weakness typeCWE-1384CWE-1384
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Mail-0 Zero | = 0.8 | — |
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