CVE-2025-66376

🔴 HIGH

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.

Published
Jan 05, 2026
Last Modified
Jan 08, 2026
Views
3
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0

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.

CVSS Scores

CVSS 3.1 7.2
7.2
HIGH
CVSS 2.0 7.2

Additional Information

Source
cve@mitre.org
State
Awaiting analysis

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