CVE-2025-48700

MEDIUM6.1Pubblicata il 23 giugno 2025

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 vectors. The vulnerability is triggered when a user views a crafted e-mail message in the Classic UI, requiring no additional user interaction.

Sfruttata attivamente

Nel catalogo CISA delle vulnerabilità sfruttate dal 20 apr 2026
Le agenzie federali statunitensi devono correggerla entro il 23 apr 2026 (direttiva BOD 22-01)
Primo attacco osservato 300 giorni dopo la divulgazione

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

Fonte: CISA KEV · 9 giu 2026 20 apr 2026

Punteggio CVSS6.1 / 10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Tipo di debolezza (CWE)CWE-79

Vendorsynacor