CVE Database · CVE-2025-66376
CVSS v3.1
7.2
EPSS
12.01%
Published
Jan 5, 2026
Modified
Mar 18, 2026
CISA Known Exploited Vulnerability
Added: 2026-03-18 · Due: 2026-04-01
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Public PoC / Exploit
All weaponized →No public PoC or exploit code indexed for this CVE.
Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
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.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:NWeaknesses (CWE)
Affected Products (2)
References (6)