Vulnerabilities CVE-2025-48700

CVE-2025-48700

Medium

Open

KEV

TLP:CLEAR

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

NVD CVE.org

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Description

Synacor — Zimbra Collaboration Suite (ZCS) — 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.

Details

EPSS Score ⓘ: 1.76%

75.9th percentile
Confidence: 100%
CISA KEV
Date Added: Apr 20, 2026
Patch Due: Apr 23, 2026
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.

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