Tag: classic web client

2 articles

Laptop screen shows brightly-lit email inbox with subtle hint of security threat.

Zimbra Warns of Stored XSS Flaw in Classic Web Client

Zimbra is urging customers to update their Classic Web Client immediately due to a critical vulnerability that could allow hackers to access sensitive mailbox information and execute malicious code via specially crafted emails. Installing the update, specifically upgrading to Zimbra Collaboration Suite version 10.1.19, will help protect against this threat.

Analyst 207Jul 11, 2026

Cluttered office desk with laptop and papers, surrounded by cubicles and natural light.

Zimbra Warns of Exploited Web Client Flaw

If you're using Zimbra's Classic Web Client, upgrade to ZCS v10.1.19 ASAP to protect against a critical security flaw that's being actively exploited. This urgent update patches a vulnerability that could put your environment at risk.

Analyst 207Jul 10, 2026