7.2
CVE-2025-66376
- EPSS 10.01%
- Veröffentlicht 05.01.2026 00:00:00
- Zuletzt bearbeitet 18.03.2026 20:13:37
- Quelle cve@mitre.org
- CVE-Watchlists
- Unerledigt
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.
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Synacor ≫ Zimbra Collaboration Suite Version >= 10.0.0 < 10.0.18
Synacor ≫ Zimbra Collaboration Suite Version >= 10.1.0 < 10.1.13
18.03.2026: CISA Known Exploited Vulnerabilities (KEV) Catalog
Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting Vulnerability
SchwachstelleSynacor 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.
BeschreibungApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Erforderliche Maßnahmen| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 10.01% | 0.93 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 6.1 | 2.8 | 2.7 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
|
| cve@mitre.org | 7.2 | 3.9 | 2.7 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
|
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.