medium Known exploitedREV. 01

CVE-2022-27926Zimbra Collaboration — Reflected Cross-Site Scripting

A reflected cross-site scripting (XSS) flaw in /public/launchNewWindow.jsp of Zimbra Collaboration 9.0 lets an unauthenticated attacker run arbitrary web script in a victim's browser through request parameters.

YOUR NEXT MOVE

Apply the fix from Zimbra's security advisories for Zimbra Collaboration 9.0.

Read the risk

THE VITAL STATS
CVSS score
6.1/ 10
CVSS v3.1
EPSS probability
17.6%
Likelihood of exploitation
Attack complexity
Low
Conditions needed to exploit
Known exploited
Yes — CISA KEV
CVE published
2022-04-21
Added to KEV
2023-04-03
CISA due date
2023-04-24
Exploit published
Not recorded
Confidence
high
Kill chain
execution
MITRE ATT&CK
T1059.007
Severity
medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attacker needsA victim must open a crafted link to an affected Zimbra server.

Behind the card

5 REFERENCES
Field-level provenanceTRACE THE SOURCES +

Which source supports each field, when it was retrieved, and who extracted it.

FieldsSourceRetrievedExtractorConfidence
cvss, exploitation.attack_complexity, exploitation.exploit_available, published_at, referencesnvd.nist.gov2026-11-05scrty-crds-pipeline/0.1high
exploitation.known_exploited, exploitation.kev_added, exploitation.kev_duecisa.gov2026-11-05scrty-crds-pipeline/0.1high
epssapi.first.org2026-11-05scrty-crds-pipeline/0.1high
title, subtitle, summary, severity, remediation, mitre_attack, kill_chain, recommended_action, confidence, tags, exploitation.prerequisitesnvd.nist.gov2026-11-05claude-codehigh

Printing history

THE RECORD
  1. r1Initial base card

History unavailable — this build has no Git history for the card file.