Zimbra Collaboration Suite cross-site scripting vulnerability

Versions of Zimbra Collaboration Suite prior to 10.1.17 contain a cross-site scripting vulnerability. This flaw arises because the /h/rest document editor in Classic Web Client inserts script attributes without properly encoding package names within the packages parameter, resulting in reflected...

Zimbra Collaboration - Local File Inclusion Detection

Zimbra Collaboration ZCS 10.0 and 10.1 contain a local file inclusion caused by improper handling of user-supplied parameters in the RestFilter servlet, letting unauthenticated remote attackers include arbitrary files from WebRoot, exploit requires crafted requests to /h/rest endpoint...

Zimbra Collaboration Suite XSS

The vulnerability of the Zimbra Collaboration Suite email management system is related to the lack of measures taken to protect the structure of the web page during processing of the /h/rest endpoint. Exploiting this vulnerability allows a malicious actor to carry out XSS attacks remotely...

📄 Zimbra Collaboration 10.0 / 10.1 Local File Inclusion

This is a proof of concept exploiting a local file inclusion vulnerability existing in the Webmail Classic UI of Zimbra Collaboration ZCS versions 10.0 and 10.1. The issue is due to improper handling of user-supplied request parameters in the RestFilter servlet. zimbramail-CVE-2025-68645-poc A...

CVE-2025-27914: Improper Neutralization of Input During Web Page Generation

An issue was discovered in Zimbra Collaboration ZCS 9.0 and 10.0 and 10.1. A Reflected Cross-Site Scripting XSS vulnerability exists in the /h/rest endpoint, allowing authenticated attackers to inject and execute arbitrary JavaScript in a victim's session. Exploitation requires a valid auth token...

CVE-2024-54663: Inclusion of Functionality from Untrusted Control Sphere

An issue was discovered in the Webmail Classic UI in Zimbra Collaboration ZCS 9.0 and 10.0 and 10.1. A Local File Inclusion LFI vulnerability exists in the /h/rest endpoint, allowing authenticated remote attackers to include and access sensitive files in the WebRoot directory. Exploitation requir...

CVE-2024-54663

An issue was discovered in the Webmail Classic UI in Zimbra Collaboration ZCS 9.0 and 10.0 and 10.1. A Local File Inclusion LFI vulnerability exists in the /h/rest endpoint, allowing authenticated remote attackers to include and access sensitive files in the WebRoot directory. Exploitation requir...

CVE-2024-45517: Improper Neutralization of Input During Web Page Generation

An issue was discovered in Zimbra Collaboration ZCS through 10.1. A Cross-Site Scripting XSS vulnerability in the /h/rest endpoint of the Zimbra webmail and admin panel interfaces allows attackers to execute arbitrary JavaScript in the victim's session. This issue is caused by improper sanitizati...

PT-2025-11078

Name of the Vulnerable Software and Affected Versions: Zimbra Collaboration ZCS versions 9.0 through 10.1 Description: A Reflected Cross-Site Scripting XSS issue exists, allowing authenticated attackers to inject and execute arbitrary JavaScript in a victim's session. The issue is related to the...