Overview
Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting vulnerability by allowing an endpoint URL to accept parameters without sanitizing.
https://wiki.zimbra.com/wiki/Security_Center; https://nvd.nist.gov/vuln/detail/CVE-2022-27926
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2022-27926 |
| Vendor / Product | Synacor — Zimbra Collaboration Suite (ZCS) |
| NVD Published | 2022-04-21 |
| NVD Last Modified | 2025-10-31 |
| CVSS 3.1 Score | 6.1 |
| CVSS 3.1 Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| Severity | MEDIUM |
| CWE | CWE-79 |
| CISA KEV Added | 2023-04-03 |
| CISA KEV Deadline | 2023-04-24 |
| Known Ransomware Use | No |
CVSS 3.1 Breakdown
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Required Action
CISA BOD 22-01 Deadline: 2023-04-24.
Apply updates per vendor instructions.
Timeline
| Date | Event |
|---|---|
| 2023-04-03 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2023-04-24 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2022-27926 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |