Wiz
Vulnerability DatabaseCVE-2023-24031

CVE-2023-24031: 
Zimbra Collaboration Server vulnerability analysis and mitigation

Overview

A Cross-Site Scripting (XSS) vulnerability was discovered in Zimbra Collaboration (ZCS) versions 9.0 and 8.8.15. The vulnerability allows attackers to execute arbitrary JavaScript code through one of the attributes of the webmail /h/ endpoint, potentially leading to information disclosure (Zimbra Advisory, NVD).

Technical details

The vulnerability is classified as a Cross-Site Scripting (XSS) issue related to printing messages and appointments functionality. It has been assigned a CVSS v3.1 Base Score of 6.1 MEDIUM (Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N), indicating network accessibility with low attack complexity but requiring user interaction (NVD).

Impact

If successfully exploited, this vulnerability could lead to unauthorized information disclosure and potential execution of arbitrary JavaScript code in the context of the user's browser session. The impact is primarily focused on confidentiality and integrity aspects of the system (NVD).

Mitigation and workarounds

The vulnerability has been patched in Zimbra Collaboration Suite version 9.0.0 Patch 30 and 8.8.15 Patch 37. Users are strongly advised to upgrade to these patched versions to mitigate the risk (Zimbra Advisory).

Additional resources

Source: This report was generated using AI

Related Zimbra Collaboration Server vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-68645HIGH8.8
  • Zimbra Collaboration ServerZimbra Collaboration Server
  • cpe:2.3:a:zimbra:collaboration
NoYesDec 22, 2025
CVE-2025-66376HIGH7.2
  • Zimbra Collaboration ServerZimbra Collaboration Server
  • cpe:2.3:a:zimbra:collaboration
NoYesJan 05, 2026
CVE-2024-45515MEDIUM6.1
  • Zimbra Collaboration ServerZimbra Collaboration Server
  • cpe:2.3:a:zimbra:collaboration
NoYesJul 30, 2025
CVE-2025-62763MEDIUM5
  • Zimbra Collaboration ServerZimbra Collaboration Server
  • cpe:2.3:a:zimbra:collaboration
NoYesOct 21, 2025
CVE-2025-67809MEDIUM4.7
  • Zimbra Collaboration ServerZimbra Collaboration Server
  • cpe:2.3:a:zimbra:collaboration
NoYesDec 15, 2025

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Additional Wiz resources

Cloud Vulnerability DB

Cloud Vulnerability DB

A community-led vulnerabilities database

Cloud Threat Landscape

Cloud Threat Landscape

A threat intelligence database

PEACH

PEACH

A tenant isolation framework

Get a personalized demo

Ready to see Wiz in action?

"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management
Get a demo