CVE-2023-37580

Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability

Synacor Zimbra Collaboration Suite (ZCS)Applications & CMS

CVSS

6.1Medium

ExploitationExploited in the wildAdded to KEV 27 Jul 2023CISA KEV

Exploit odds (EPSS)49.1%Chance of exploitation activity in the next 30 days, higher than 98% of CVEs. Scored 23 Oct 2026FIRST EPSS

Fixed inNone listedNo source names a fixed version. Check the vendor advisory below

Federal deadline17 Aug 2023Remediation due date for US federal agenciesCISA KEV

CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Scanner templateZimbra Collaboration Suite (ZCS) v.8.8.15 - Cross-Site ScriptingNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting vulnerability impacting the confidentiality and integrity of data.

Text from CVE List