CVE-2026-21529

MEDIUM
2026-02-10 [email protected]
5.7
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:02 vuln.today
CVE Published
Feb 10, 2026 - 18:16 nvd
MEDIUM 5.7

Tags

Azure XSS Azure Hdinsight

Description

Improper neutralization of input during web page generation ('cross-site scripting') in Azure HDInsights allows an authorized attacker to perform spoofing over a network.

Analysis

Azure HDInsight contains a cross-site scripting (XSS) vulnerability in web page generation that allows authenticated attackers to conduct spoofing attacks over the network. An attacker with valid credentials and user interaction can exploit this weakness to manipulate web content and deceive users. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

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Priority Score

29
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +28
POC: 0

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CVE-2026-21529 vulnerability details – vuln.today
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