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CVE-2026-33368

nvd nist
Published: Mar 20, 2026Modified: Jun 17, 2026

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6.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Exploitability: 2.8 / Impact: 2.7
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

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 crafted URL. When a victim user accesses the link, the injected script executes in the context of the Zimbra webmail application, which could allow the attacker to perform actions on behalf of the victim.

Affected (1)

Synacor
1 product
Zimbra Collaboration Suite
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Zimbra Collaboration Suite
From 10.0.0 to 10.1.16

Related CWEs

CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (4)

Source: cve@mitre.org
Release NotesVendor Advisory
Source: cve@mitre.org
Release Notes
Source: cve@mitre.org
Product
Source: cve@mitre.org
Vendor Advisory

Timeline

No history available yet.