Over 10,000 Zimbra servers vulnerable to ongoing XSS attacks

Over 10,000 Zimbra Collaboration Suite (ZCS) instances exposed online are vulnerable to ongoing attacks exploiting a cross-site scripting (XSS) security flaw. [...]

guid

https://www.bleepingcomputer.com/news/security/cisa-says-zimbra-flaw-now-exploited-over-10k-servers-vulnerable/

source_url

https://www.bleepingcomputer.com/news/security/cisa-says-zimbra-flaw-now-exploited-over-10k-servers-vulnerable/

author_name

Sergiu Gatlan

id: 791
uid: VwvLS
insdate: 2026-04-24 14:10:08
title: Over 10,000 Zimbra servers vulnerable to ongoing XSS attacks
additional: Over 10,000 Zimbra Collaboration Suite (ZCS) instances exposed online are vulnerable to ongoing attacks exploiting a cross-site scripting (XSS) security flaw. [...]
category: Cybersecurity
md5:
guid: https://www.bleepingcomputer.com/news/security/cisa-says-zimbra-flaw-now-exploited-over-10k-servers-vulnerable/
source_url: https://www.bleepingcomputer.com/news/security/cisa-says-zimbra-flaw-now-exploited-over-10k-servers-vulnerable/
updated:
image:
author_name: Sergiu Gatlan
author_link:
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