CVE-2026-93642
CRITICAL
CVSS 9.3
Published: 2026-09-25
Modified: 2026-09-25
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Threat Intelligence Pending
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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.
Quick Facts
| CVE ID | CVE-2026-93642 |
| CVSS Score | 9.3 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N |
| Published | 2026-09-25 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |