CVE-2022-24682
Synacor Zimbra Collaborate Suite (ZCS) Cross-Site Scripting Vulnerability
Synacor Zimbra Collaborate Suite (ZCS)Applications & CMS
CVSS
6.1MediumExploit odds (EPSS)30.9%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
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 Suite < 8.8.15 - Improper EncodingNuclei
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 (XSS) vulnerability in the Calendar feature that allows an attacker to execute arbitrary code.
Text from CVE List
Affected versions 1
- n/aaffected: n/aCVE List
References 7
- wiki.zimbra.com/wiki/Zimbra_Security_AdvisoriesAdvisoryvia CVE List
- wiki.zimbra.com/wiki/Security_CenterAdvisoryvia CVE List
- nvd.nist.gov/vuln/detail/CVE-2022-24682Referencevia CISA KEV
- volexity.com/blog/2022/02/03/operation-emailthief-active-exploitation-of-zero-day-xss-vulnerability-in-zimbra/Referencevia CVE List
- blog.zimbra.com/2022/02/hotfix-available-5-feb-for-zero-day-exploit-vulnerability-in-zimbra-8-8-15/Referencevia CVE List
- wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P30Referencevia CVE List
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-24682Referencevia CVE List