Vulnerability Monitor

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CVE-2024-45516

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.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.1, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts limited data confidentiality, limited integrity, for affected systems. Impacting 1 product from synacor organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2025, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2025-05-14T20:15:20.857

Last Modified

2025-06-11T21:20:29.063

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 6.1 (MEDIUM)

Weaknesses

Type: Secondary
CWE-79

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	synacor	zimbra_collaboration_suite	< 10.0.12	Yes
Application	synacor	zimbra_collaboration_suite	< 10.1.4	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	8.8.15	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes
Application	synacor	zimbra_collaboration_suite	9.0.0	Yes

References

https://wiki.zimbra.com/wiki/Security_Center Vendor Advisory ([email protected])
https://wiki.zimbra.com/wiki/Zimbra_Releases/10.1.4#Security_Fixes Release Notes ([email protected])
https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy Product ([email protected])
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories Vendor Advisory ([email protected])

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For synacor's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.