CVE-2022-27926Known exploitationNetwork attack vector

Unauthenticated script execution via unsanitized URL parameters

Published Apr 20, 2022 · Updated Oct 21, 2025

Reflected XSS in launchNewWindow.jsp in Zimbra Collaboration 9.0 allows remote attackers to execute script via crafted request parameters. The endpoint accepts request parameters without sanitizing them before placing their values into the returned page. No authentication is required, but a victim must open the crafted request; script then runs in that user's browser context and can read or modify page content.

CVSS severity6.1
Medium
EPSS probability17.63%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in launchNewWindow.jsp in Zimbra Collaboration 9.0 allows remote attackers to execute script via crafted request parameters. The endpoint accepts request parameters without sanitizing them before placing their values into the returned page. No authentication is required, but a victim must open the crafted request; script then runs in that user's browser context and can read or modify page content.

The record

CVE
CVE-2022-27926
Published
Apr 20, 2022
Updated
Oct 21, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 20, 2022CVE publishedPublication date reported by the CVE source.
  2. Oct 21, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.1NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.3NVDAV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationReported
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Reported exploitation

Technologies

Your stack

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Your stack

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