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Vulnerability record · CVE-2026-93641 · published 25 September 2026

CVE-2026-93641: Cross-site scripting vulnerability

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.

9.3 CVSS 3.1 Critical EPSS 0.27% · top 82.3% CWE-79 · Cross-site scripting Received
9.3CVSS 3.1 base score
0.27%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
25 Sep 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

References

LinkTags
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-93641), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.