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. "The
Read more https://thehackernews.com/2026/07/critical-zimbra-flaw-could-let-crafted_0483473395.html

