CRITICAL 9.3 NVD

CVE-2026-93642

An unauthenticated sender can forge a share notification that triggers stored XSS when a signed-in Zimbra Modern recipient clicks Accept Share, allowing the att

An unauthenticated sender can forge a share notification that triggers stored XSS when a signed-in Zimbra Modern recipient clicks Accept Share, allowing the attacker to access mailbox data and act as the victim.

References

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

Published: 2026-09-25 · Source: NVD · Feed updated: 2026-09-25

This critical severity vulnerability with a CVSS score of 9.3 was published on 2026-09-25 via NVD.

Risk Timeline

CVE Disclosed2026-09-25 · -1 days ago

Remediation Resources

Official Advisory

wiki.zimbra.com/wiki/Zimbra_Security_Advisories

vulnfeed aggregates 11443 vulnerabilities from NVD, CISA KEV, Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.