MEDIUM CISA KEV

CVE-2025-48700

CVSS v3

6.1

MEDIUM

EPSS Score

1.7 %

exploit probability, as of 2026-10-03

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

Description

An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0 and 10.0 and 10.1. A Cross-Site Scripting (XSS) vulnerability in the Zimbra Classic UI allows attackers to execute arbitrary JavaScript within the user's session, potentially leading to unauthorized access to sensitive information. This issue arises from insufficient sanitization of HTML content, specifically involving crafted tag structures and attribute values that include an @import directive and other script injection vecto

CISA Known Exploited Vulnerability

Date Added: 2026-04-20
Patch Due Date: 2026-04-23
Ransomware Use: Unknown

Technical details

Published: 2025-06-23
Last Modified: 2026-04-21

Frequently asked questions

What is CVE-2025-48700?

Is CVE-2025-48700 actively exploited?

Yes. CVE-2025-48700 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-04-23.

What is the CVSS score for CVE-2025-48700?

CVE-2025-48700 has a CVSS v3 base score of 6.1 (MEDIUM severity).

Is CVE-2025-48700 affecting your environment?

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