CVE-2026-93642

CRITICAL CVSS 9.3 View on NVD ↗

Description

An unauthenticated sender can forge a share notification that triggers stored XSS when a signed-in Zimbra Modern recipient clicks Accept Share, allowing the attacker to access mailbox data and act as the victim.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

References

https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

Published: Sep 25, 2026 14:17 UTC Modified: Sep 25, 2026 17:17 UTC