All intelligence
// vulnerability record
cached · NVD via COSMOS syncCVE-2025-66376
HIGHKEVpublished 2026-01-05 15:15 UTC · 7 months ago · modified 2026-06-17 09:56 UTC
7.2
CVSS / 10
// description
Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting vulnerability in the Classic UI where attackers could abuse Cascading Style Sheets (CSS) @import directives in email HTML.
// required action (CISA KEV)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
added 2026-03-18 00:00 UTC
// weaknesses (CWE)
- CWE-79