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.

References

https://github.com/Mail-0/Zero/security/advisories/GHSA-34gh-g567-hq85

https://github.com/Mail-0/Zero/pull/1386

https://github.com/Mail-0/Zero/commit/48d1df65b62c9c57897b72b241081f447140342f

Details

Source: Mitre, NVD

Published: 2025-06-21

Updated: 2025-06-21

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Severity: Medium

CVSS v4

Base Score: 8.6

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

Severity: High

EPSS

EPSS: 0.0004