IP-DB.com
Türkçe English Deutsch Español
Entrar Obtener clave API
7.2Alta KEV

CVE-2025-66376Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting Vulnerability

Zimbra Collaboration Publicada: (hace 10 meses)

Explotación conocida — Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting Vulnerability

CISA confirmó el 18.03.2026 que esta vulnerabilidad se usa en ataques reales. Plazo para las agencias federales de EE. UU.: 01.04.2026.

Acción requerida: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories ; https://nvd.nist.gov/vuln/detail/CVE-2025-66376

Descripción

Zimbra Collaboration (ZCS) 10 before 10.0.18 and 10.1 before 10.1.13 allows Classic UI stored XSS via Cascading Style Sheets (CSS) @import directives in an HTML e-mail message.

Debilidad (CWE): CWE-79

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

FabricanteProductoVersiones
synacor zimbra collaboration suite 10.0.0 – < 10.0.18
Zimbra Collaboration 10.0 – < 10.0.18, 10.1 – < 10.1.13

Referencias y parches

Coincidencias CPE (NVD) (2)
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:* ≥ 10.0.0 < 10.0.18
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:* ≥ 10.1.0 < 10.1.13

CVE recientes del mismo producto — Zimbra Collaboration

5.3Media
CVE-2026-66912

Stored Cross-Site Scripting in Zimbra

Synacor Zimbra Collaboration

Zimbra is vulnerable to Stored Cross-Site Scripting (XSS) via the From email header during HTML reply composition in Classic UI. Due to insufficient sanitization of the From header value, a remote attacker can send a crafted email containing a malicious From …

5.3Media
CVE-2026-66911

Stored Cross-Site Scripting in Zimbra

Synacor Zimbra Collaboration

Zimbra is vulnerable to stored cross-site scripting (XSS) via the Content-Location MIME header in email attachments. Due to lack of sanitization of the Content-Location header, an attacker can set it to a javascript: URI. An unauthenticated remote attacker ca…