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Synacor CVEs

Every Synacor vulnerability SECBORN has reported on, with live CVSS severity, CISA known-exploited status and EPSS exploit odds.

2Tracked CVEs 2Known exploited 0Critical 9.0+ 0Covered this week

All Known exploited Critical High This week

2 CVEs EPSSCoverage

7.2CVSS 3.1 CVE-2025-66376 Exploited Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting Vulnerability Synacor · Zimbra Collaboration Suite (ZCS) EPSS 20% 2 stories 4 months ago 6.1CVSS 3.1 CVE-2025-48700 Exploited Synacor Zimbra Collaboration Suite (ZCS) Cross-site Scripting Vulnerability Synacor · Zimbra Collaboration Suite (ZCS) EPSS 1.7% 1 story 4 months ago

Scores and exploit data come from the CVE Program, NVD, CISA and FIRST.org. Each CVE links to SECBORN's reporting on it.