CVE-2022-27926
Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability
Synacor Zimbra Collaboration Suite (ZCS)Applications & CMS
CVSS
6.1MediumExploit odds (EPSS)17.6%Chance of exploitation activity in the next 30 days, higher than 97% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
CISA required actionApply updates per vendor instructions. CISA KEV
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Timeline
Public exploit code and templates 1
- Scanner templateZimbra Collaboration (ZCS) - Cross Site ScriptingNuclei
Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.
Description
Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting vulnerability by allowing an endpoint URL to accept parameters without sanitizing.
Text from CVE List
Affected versions 1
- n/aaffected: n/aCVE List
References 5
- wiki.zimbra.com/wiki/Security_CenterAdvisoryvia CVE List
- wiki.zimbra.com/wiki/Zimbra_Security_AdvisoriesAdvisoryvia CVE List
- nvd.nist.gov/vuln/detail/CVE-2022-27926Referencevia CISA KEV
- wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24Referencevia CVE List
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-27926Referencevia CVE List