# CVE-2023-37580

Zimbra Collaboration (ZCS) 8 before 8.8.15 Patch 41 allows XSS in the Zimbra Classic Web Client.

- Page: https://www.vulneraibility.com/cve/CVE-2023-37580
- CVSS: 6.1
- Known exploited: yes, in CISA KEV since 2023-07-27; CISA due date 2023-08-17
- EPSS: 49.08% (percentile 98.9)
- Detection templates only, no public exploit found: 1 Nuclei template
- CISA SSVC: exploitation active, automatable no, technical impact partial (assessed 2025-01-27)
- Weakness: CWE-79
- Published: 2023-07-31

## Affected

- synacor:zimbra_collaboration_suite

## References

- [other] https://wiki.zimbra.com/wiki/Security_Center
- [other] https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy
- [other] http://www.openwall.com/lists/oss-security/2023/11/17/2
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-37580

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.