Cross-site scripting in Zimbra Collaboration - CVE-2024-45516
Published: September 4, 2024 / Updated: April 21, 2026
Vulnerability identifier: #VU96807
CSH Severity: Low
CVSS v4: 5.1 [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]
CVE-ID: CVE-2024-45516
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in the Zimbra Classic UI when handling <img> HTML content. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Affected software
Zimbra Collaboration
How to mitigate CVE-2024-45516
Install updates from vendor's website.
Zimbra Collaboration - addressed in versions 8.8.15 Patch 47, 9.0.0 Patch 43, 10.0.12, 10.1.4