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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Zimbra | Collaboration | 10.0 – < 10.0.18, 10.1 – < 10.1.13 | 10.0.18 |
Advisories 1
- WID-SEC-2025-2911 Synacor Zimbra: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 18, 2026
References
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
- https://wiki.zimbra.com/wiki/Security_Center
- https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy
- https://wiki.zimbra.com/wiki/Zimbra_Releases/10.1.13#Security_Fixes
- https://wiki.zimbra.com/wiki/Zimbra_Releases/10.0.18#Security_Fixes