Critical Zimbra Flaw Could Let Crafted Emails Run Malicious Code in… | HappeningNow.news

Cybersecurity · 78 views

Critical Zimbra Flaw Could Let Crafted Emails Run Malicious Code in User Sessions

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.

Source AI Summary Published July 11, 2026 Brief Under 1 min brief
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Coverage Single outlet Single-outlet story
Views 78 Community interest
Brief read Under 1 min brief 81 words

AI Summary

A critical security vulnerability has been discovered in Zimbra's Classic Web Client, which could allow malicious code to run in user sessions. This flaw, described as a case of stored cross-site scripting (XSS), could be exploited by specially crafted emails. The vulnerability has not yet been assigned a CVE identifier, but Zimbra is urging customers to apply updates to address the issue. The severity of this vulnerability underscores the importance of timely software updates in maintaining the security of email clients.

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