CVE-2023-23383Public exploitNetwork attack vector

Script execution via reflected node-name injection

Published Mar 14, 2023 · Updated Jan 1, 2025

Cross-site scripting in Microsoft Azure Service Fabric 9.0 and 9.1 allows remote attackers to execute script via a crafted SFX URL. The Events tab inserts the URL-controlled Node Name into rendered HTML without neutralizing active content when Cluster events are enabled. Exploitation requires a user to open the link and enable the Cluster event type; on Windows clusters, the resulting script can replace a Compose deployment with an attacker-controlled container.

CVSS severity8.2
High
EPSS probability11.69%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Microsoft Azure Service Fabric 9.0 and 9.1 allows remote attackers to execute script via a crafted SFX URL. The Events tab inserts the URL-controlled Node Name into rendered HTML without neutralizing active content when Cluster events are enabled. Exploitation requires a user to open the link and enable the Cluster event type; on Windows clusters, the resulting script can replace a Compose deployment with an attacker-controlled container.

The record

CVE
CVE-2023-23383
Published
Mar 14, 2023
Updated
Jan 1, 2025
Vendor
Microsoft
Product
Azure Service Fabric for Windows
Classifications
CWE-79, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 14, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 1, 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?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=9.0 <9.0.1380.9590
  2. Affected versionversion=9.0 <9.1.1583.9590

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Microsoft · Azure Service Fabric for Windowsversion=9.0 <9.0.1380.9590; version=9.0 <9.1.1583.9590
Microsoft · Azure Service Fabric for Linuxversion=9.0 <9.0.1317.1; version=9.0 <9.1.1388.1

Published CVSS scores

8.2Microsoft CorporationCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:H/A:H
4.7NIST NVDCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1204.001Malicious Link

Public exploit references

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

Technologies

Your stack

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Your stack

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