CVE-2025-66376 – Zimbra Collaboration Classic UI Stored XSS

CVE ID : CVE-2025-66376

Published : Jan. 5, 2026, 3:15 p.m. | 1 hour, 10 minutes ago

Description : Zimbra Collaboration (ZCS) 10 before 10.0.18 and 10.1 before 10.1.13 allows Classic UI stored XSS via Cascading Style Sheets (CSS) @import directives in an HTML e-mail message.

Severity: 7.2 | HIGH

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