CVE-2023-34192β€”Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability

PUBLISHEDvulnerability record
2025-02-25 Β· last modified June 21, 2025

Metadata

CVE ID:
CVE-2023-34192
Project:
Synacor
Product:
Zimbra Collaboration Suite (ZCS)
Date Added:
2025-02-25
Due Date:
2025-03-18
Last Updated:
June 21, 2025

Vulnerability Name

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

Description

Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting (XSS) vulnerability that allows a remote authenticated attacker to execute arbitrary code via a crafted script to the /h/autoSaveDraft function.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:
Unknown

Action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Additional Notes

  • https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
  • https://nvd.nist.gov/vuln/detail/CVE-2023-34192

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