Home / Vulnerabilities / CVE-2022-27926
MEDIUM SEVERITY
CVE-2022-27926 Synacor · Zimbra Collaboration Suite (ZCS)

Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability

Technical Severity

CVSS v3.1 Metrics

MEDIUM
6.1 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Exploitation Likelihood

EPSS Prediction

94.25 %
Predictive Probability
Percentile Rank
99.9 th

Documented as more likely to be exploited than 99.9% of known CVEs.

Detection Date

Apr 03, 2023

Remediation Due

Apr 24, 2023

CISA Catalog Active

Threat Analysis

Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting vulnerability by allowing an endpoint URL to accept parameters without sanitizing.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence