CVE-2023-34192

CRITICAL 9.0

⚠️ CISA KEV

CVSS Score

9.0

EPSS Score

0.0%

EPSS Percentile

0th

Cross Site Scripting vulnerability in Zimbra ZCS v.8.8.15 allows a remote authenticated attacker to execute arbitrary code via a crafted script to the /h/autoSaveDraft function.

Vendor	n/a
Product	n/a
Published	Jul 6, 2023
Last Updated	Oct 21, 2025

⚠️ Actively Exploited — Act Now

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Affected Versions

n/a / n/a

n/a

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wiki.zimbra.com: https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories wiki.zimbra.com: https://wiki.zimbra.com/wiki/Security_Center wiki.zimbra.com: https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy cisa.gov: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-34192