CISA has added a high-severity vulnerability affecting the Zimbra Collaboration Suite (ZCS) to its Known Exploited Vulnerabilities (KEV) catalog. Tracked as CVE-2025-66376, this security flaw is currently facing active exploitation in the wild. Organizations utilizing Zimbra must urgently prioritize remediation to prevent unauthorized access and potential data compromise. The vulnerability is a stored cross-site scripting […] The post CISA Warns of Zimbra Collaboration Suite Vulnerability Exploited in Attacks appeared first on Cyber Security News.