Cross-site scripting in Zimbra Collaboration - #VU126624
Published: December 17, 2024 / Updated: April 21, 2026
Vulnerability identifier: #VU126624
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Synacor Inc.
Affected software:
Zimbra Collaboration
Zimbra Collaboration
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary script in the victim's browser.
The vulnerability exists due to cross-site scripting in Zimbra Classic UI when rendering crafted HTML content. A remote attacker can send crafted HTML content to execute arbitrary script in the victim's browser.
User interaction is required to view the crafted HTML content.
Remediation
Install security update from vendor's website.