cvedb.io
CVE-2026-33370
MEDIUM · CVSS 6.1
EPSS exploitation probability: 0%
Published 2026-03-20T14:16:16.127 · Last modified 2026-06-17T10:37:23.257

Summary

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.

Affected products

synacor — zimbra_collaboration_suite

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.