US EditionCISA Warns of Zimbra Collaboration Suite (ZCS) XSS Zero-Day Vulnerability Actively Exploited in Attacks
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CISA Warns of Zimbra Collaboration Suite (ZCS) XSS Zero-Day Vulnerability Actively Exploited in Attacks
CISA has issued a critical warning regarding a zero-day cross-site scripting (XSS) vulnerability in Synacor’s Zimbra Collaboration Suite (ZCS), designated as CVE-2025-27915. This vulnerability has been actively exploited in attacks and poses significant risks to organizations using the popular email and collaboration platform. Zimbra Collaboration Suite (ZCS) XSS Flaw The vulnerability exists within the Classic […] The post CISA Warns of Zimbra…
U.S. CISA adds Synacor Zimbra Collaboration Suite (ZCS) flaw to its Known Exploited Vulnerabilities catalog Pierluigi Paganini October 07, 2025 U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Synacor Zimbra Collaboration Suite (ZCS) flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Synacor Zimbra Collaboration Suite (ZCS) flaw, tracked as …
Attackers exploit XXS flaw in Zimbra Collaboration Suite
The attack leveraged a malicious iCalendar invite over Zimbra email. Introduction to Malware Binary Triage (IMBT) Course Looking to level up your skills? Get 10% off using coupon code: MWNEWS10 for any flavor. Enroll Now and Save 10%: Coupon Code MWNEWS10 Note: Affiliate link – your enrollment helps support this platform at no extra cost to you. Article Link: https://www.scworld.com/news/attackers-exploit-xxs-flaw-in-zimbra-collaboration-suite
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