CVE-2026-33370
CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
4th
An issue was discovered in Zimbra Collaboration (ZCS) 10.0 and 10.1. A stored cross-site scripting (XSS) vulnerability exists in the Zimbra Briefcase feature due to insufficient sanitization of specific uploaded file types. When a user opens a publicly shared Briefcase file containing malicious scripts, the embedded JavaScript executes in the context of the user's session. This allows an attacker to run arbitrary scripts, potentially leading to data exfiltration or other unauthorized actions on behalf of the victim user.
| Vendor | n/a |
| Product | n/a |
| Published | Mar 20, 2026 |
| Last Updated | Mar 23, 2026 |
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Affected Versions
n/a / n/a
n/a
References
wiki.zimbra.com: https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories wiki.zimbra.com: https://wiki.zimbra.com/wiki/Security_Center wiki.zimbra.com: https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy wiki.zimbra.com: https://wiki.zimbra.com/wiki/Zimbra_Releases/10.1.16#Security_Fixes