> Critical Zimbra Flaw Could Let Crafted Emails Run Malicious Code in User Sessions
[DATE: 11/07/2026 06:45]
[LANGUAGE: EN]
Zimbra is urging customers to apply updates to address a critical security vulnerability impacting the Classic Web Client that could result in arbitrary code execution.
The vulnerability has been described as a case of stored cross-site scripting (XSS) that could allow specially crafted emails to execute malicious scripts in a user's session. It has yet to be assigned a CVE identifier.
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