EUVD-2026-13690

Zimbra Collaboration Suite ZCS 10.0 and 10.1 contains a reflected cross-site scripting XSS vulnerability in the Classic Webmail REST interface /h/rest. The application fails to properly sanitize user-supplied input, allowing an unauthenticated attacker to inject malicious JavaScript into a crafte...

CVE-2026-33368

Zimbra Collaboration Suite ZCS 10.0 and 10.1 contains a reflected cross-site scripting XSS vulnerability in the Classic Webmail REST interface /h/rest. The application fails to properly sanitize user-supplied input, allowing an unauthenticated attacker to inject malicious JavaScript into a crafte...

CVE-2026-33368

Zimbra Collaboration Suite ZCS 10.0 and 10.1 contains a reflected cross-site scripting XSS vulnerability in the Classic Webmail REST interface /h/rest. The application fails to properly sanitize user-supplied input, allowing an unauthenticated attacker to inject malicious JavaScript into a crafte...

CVE-2026-33368

CVE-2026-33368 affects Zimbra Collaboration Suite (ZCS) 10.0 and 10.1. An authenticated-agnostic, reflected XSS vulnerability exists in the Classic Webmail REST interface (/h/rest) due to improper input sanitization. When a victim clicks a crafted URL, the attacker-supplied JavaScript can execute...

PT-2026-26612

Zimbra Collaboration Suite ZCS 10.0 and 10.1 contains a reflected cross-site scripting XSS vulnerability in the Classic Webmail REST interface /h/rest. The application fails to properly sanitize user-supplied input, allowing an unauthenticated attacker to inject malicious JavaScript into a crafte...