CVEs / CVE-2022-27926
CVE-2022-27926: Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability
- Known exploited in the CISA KEV catalog since 3 Apr 2023
- medium 6.1 CVSS 3.1 (NVD)
- EPSS 17.6% chance of exploitation in the next 30 days, higher than 97% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting vulnerability by allowing an endpoint URL to accept parameters without sanitizing.
Description
A reflected cross-site scripting (XSS) vulnerability in the /public/launchNewWindow.jsp component of Zimbra Collaboration (aka ZCS) 9.0 allows unauthenticated attackers to execute arbitrary web script or HTML via request parameters.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a n/a | n/a | — |
Exploitation
| In CISA KEV since | 3 Apr 2023 |
|---|---|
| Due date for US federal agencies | 24 Apr 2023 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 6.1 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NScored by NVD |
|---|---|
| Weakness | CWE-79 |
References
- CVE-2022-27926 on NVD
- CVE-2022-27926 in the CISA KEV catalog
- https://wiki.zimbra.com/wiki/Security_Center (cited by CISA)
- CVE-2022-27926 on OSV
- https://wiki.zimbra.com/wiki/Security_Center Vendor Advisory
- https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24 Release Notes, Vendor Advisory
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-27926 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.