CVE-2025-48700

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

Zimbra Collaboration Suite

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…

23. Jun 2025

Ausgewertete Quellen

• Hersteller
  https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
• CISA
  https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-48700
• CISA
  Synacor Zimbra Collaboration Suite (ZCS) Cross-site Scripting Vulnerability
• NVD
  CVE-2025-48700