Synacor · Zimbra Collaboration Suite (ZCS)
CVE-2025-48700
Synacor Zimbra Collaboration Suite (ZCS) Cross-site Scripting Vulnerability
ما هي
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.
CISA: 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.
ما العمل
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
الموعد النهائي للوكالات الفدرالية الأمريكية: 23 أبريل 2026
ثغرات مُستغلّة أخرى من Synacor
| أُضيفت | الثغرة | المنتج | الخطورة | احتمال الهجوم |
|---|---|---|---|---|
| 21/08/2026 | OS Command Injection | Zimbra Collaboration Suite (ZCS) | مرتفع 8.9 | 72% |
| 18/03/2026 | Cross-Site Scripting | Zimbra Collaboration Suite (ZCS) | مرتفع 7.2 | 20% |
| 07/10/2025 | Cross-site Scripting | Zimbra Collaboration Suite (ZCS) | متوسطة 5.4 | 4.1% |
| 07/07/2025 | Server-Side Request Forgery (SSRF) | Zimbra Collaboration Suite (ZCS) | مرتفع 7.5 | 81% |
| 19/05/2025 | Cross-Site Scripting (XSS) | Zimbra Collaboration Suite (ZCS) | متوسطة 6.1 | 25% |
| 25/02/2025 | Cross-Site Scripting (XSS) | Zimbra Collaboration Suite (ZCS) | حرجة 9.0 | 77% |
| 03/10/2024 | Command Execution | Zimbra Collaboration Suite (ZCS) | حرجة 10.0 | 99.9% |
| 27/07/2023 | Cross-Site Scripting (XSS) | Zimbra Collaboration Suite (ZCS) | متوسطة 6.1 | 49% |
المصادر: Known Exploited Vulnerabilities (CISA، ملكية عامة)، وCVE records (cve.org)، وEPSS (FIRST). احتمال الهجوم هو تقدير EPSS لاحتمال أن يحاول أحد استغلال الثغرة خلال الأيام الـ30 القادمة.