Snapshot of public data from 31 Oct 2026, 12:50:06. This data is not updated until the API is deployed.

CVE-2022-27926

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

UrgentCVSS 6.1 v3.1Exploited

Why this priority

Generic watch priority computed by public, versioned rules. It does not know your assets. See the glossary

Présent dans le catalogue CISA KEV (exploitation confirmée)

Description

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

Affected products

Vendor	Product	Versions
Synacor	Zimbra Collaboration Suite (ZCS)	All versions
n/a	n/a	n/a

Revision history

Revision 3 31 Oct 2026, 12:49:45
Revision 2 31 Oct 2026, 12:27:42
Update : Affected versions changed
Revision 1 31 Oct 2026, 12:26:56
New record

Qualification

CVSS severity ? Technical severity score between 0 and 10, with its version (3.1, 4.0). See the glossary: 6.1 MEDIUM CVSS v3.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
KEV catalog ? CISA catalog of vulnerabilities with confirmed exploitation. Absence from the catalog does not prove absence of exploitation. See the glossary: Listed
Exploitation: Confirmed
EPSS probability ? Probability, between 0 and 1, that a vulnerability is exploited in the next 30 days, published daily by FIRST. Always dated. See the glossary: Unknown
Confidence ? Quality of the sources behind the record. It is not a risk score. See the glossary: High

Priority rules, version 1

CISA KEV catalog

Added on: 3 April 2023
Federal due date: 24 April 2023
Required action: Apply updates per vendor instructions.
Ransomware use: Unknown

Record

Published on: 21 April 2022
Weaknesses (CWE): CWE-138, CWE-79

Sources

Source : CISA Known Exploited Vulnerabilities Catalog Terms of use
Source : CVE Program, cve.org Terms of use