CVE-2023-34192

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

Risk tier: Monitored

Description

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.

Scoring

  • CVSS: 9 (CRITICAL, 3.1)
  • EPSS exploitation probability: Not yet available
  • EPSS percentile: Not yet available

CISA KEV status

  • Added to KEV: 2025-02-25
  • Remediation due date: 2025-03-18
  • Known ransomware campaign use: Unknown

Weakness types (CWE)

  • CWE-79
  • CWE-79

References

More CRITICAL-severity vulnerabilities · All exploited vulnerabilities