CISA Known Exploited Vulnerability

CVE-2025-48700

Synacor · Zimbra Collaboration Suite (ZCS)

Synacor Zimbra Collaboration Suite (ZCS) Cross-site Scripting Vulnerability

Date added
BOD 22-01 due date
CWE CWE-79
Ransomware Unknown

CISA description

Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting vulnerability that could allow attackers to execute arbitrary JavaScript within the user's session, potentially leading to unauthorized access to sensitive information.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.