CISA: Zimbra XSS (CVE-2025-48700) Now Exploited — 10,500+ Servers Vulnerable
Over 10,000 instances of the Zimbra Collaboration Suite are exposed online and remain vulnerable to an actively exploited cross-site scripting flaw, raising fresh alarms about email server security for governments and businesses alike. The vulnerability, tracked as CVE-2025-48700, is serious because it can be triggered without user interaction and has been confirmed as abused in the wild, prompting action from both vendors and national cybersecurity authorities. What happened Shadowserver, an…