CVE-2024-45516

MEDIUM

Zimbra Collaboration Suite 8.8.15-9.0.0, 10.0.0-10.0.11, 10.1.0-10.1.3 - Stored XSS via IMG Tag

Title source: llm
STIX 2.1

Description

An issue was discovered in Zimbra Collaboration (ZCS) 9.0.0 before Patch 43, 10.0.x before 10.0.12, 10.1.x before 10.1.4, and 8.8.15 before Patch 47. 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, including malformed <img> tags with embedded JavaScript. The vulnerability is triggered when a user views a specially crafted email in the Classic UI, requiring no additional user interaction.

Scores

CVSS v3 6.1
EPSS 0.0034
EPSS Percentile 26.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (2)
synacor/zimbra_collaboration_suite 8.8.15 (48 CPE variants)
synacor/zimbra_collaboration_suite 9.0.0 (2 CPE variants)
Published May 14, 2025
Tracked Since Feb 18, 2026