Description
An unauthenticated sender can forge a share notification that triggers stored XSS when a signed-in Zimbra Classic recipient clicks Accept Share, allowing the attacker to access mailbox data and act as the victim.
Published: 2026-09-25
Score: 9.3 Critical
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 25 Sep 2026 14:00:00 +0000

Type Values Removed Values Added
Description An unauthenticated sender can forge a share notification that triggers stored XSS when a signed-in Zimbra Classic recipient clicks Accept Share, allowing the attacker to access mailbox data and act as the victim.
Title Zimbra Collaboration Suite Classic Web Client Stored Cross-Site Scripting via Forged Share Invitation
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 9.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N'}


Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: rapid7

Published:

Updated: 2026-09-25T16:11:43.921Z

Reserved: 2026-09-18T12:22:38.559Z

Link: CVE-2026-93641

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-25T14:17:23.290

Modified: 2026-09-25T17:17:19.650

Link: CVE-2026-93641

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-25T17:30:16Z

Weaknesses