CVE-2023-36881Public exploitNetwork attack vector

Stored script execution via unsanitized Ambari fields

Published Aug 8, 2023 · Updated Aug 10, 2026

Stored XSS in Apache Ambari in Microsoft Azure HDInsight before image 2307201242 allows remote authenticated users to execute scripts. Ambari stores crafted values in background operations, notifications, queue access controls, or YARN settings and renders them without adequate neutralization. High privileges are required to change these values, and another user must open the affected Ambari view before the script runs.

CVSS severity4.5
Medium
EPSS probability1.03%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Apache Ambari in Microsoft Azure HDInsight before image 2307201242 allows remote authenticated users to execute scripts. Ambari stores crafted values in background operations, notifications, queue access controls, or YARN settings and renders them without adequate neutralization. High privileges are required to change these values, and another user must open the affected Ambari view before the script runs.

The record

CVE
CVE-2023-36881
Published
Aug 8, 2023
Updated
Aug 10, 2026
Vendor
Microsoft
Product
Azure HDInsight
Classifications
CWE-79, T1203
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Aug 8, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 10, 2026Record 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=1.0 <2307201242

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Microsoft · Azure HDInsightversion=1.0 <2307201242

Published CVSS scores

4.5Microsoft CorporationCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/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.

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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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

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

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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