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.
References (3)
Core 3
Core References
Vendor Advisory x_refsource_confirm
https://github.com/Mail-0/Zero/security/advisories/GHSA-34gh-g567-hq85
Issue Tracking x_refsource_misc
https://github.com/Mail-0/Zero/pull/1386
Patch x_refsource_misc
https://github.com/Mail-0/Zero/commit/48d1df65b62c9c57897b72b241081f447140342f
Scores
CVSS v4
8.6
EPSS
0.0036
EPSS Percentile
58.4%
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
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-1384
Status
published
Products (1)
Mail-0/Zero
= 0.8
Published
Jun 21, 2025
Tracked Since
Feb 18, 2026