Stored XSS Vulnerability in Kestra Event-Driven Orchestration Platform
CVE-2025-53543

4.2MEDIUM

Key Information:

Vendor

Kestra-io

Status
Kestra
Vendor
CVE Published:
7 July 2025

What is CVE-2025-53543?

An identified issue in Kestra, an event-driven orchestration platform, allows for stored Cross-Site Scripting (XSS) attacks. This vulnerability arises from improper handling of HTTP responses in the execution 'Overview' tab, enabling malicious scripts to be stored and executed in the context of users accessing the platform. Users are advised to upgrade to version 0.22.0 or later for protection against this security flaw.

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Affected Version(s)

kestra < 0.22.0

References

https://github.com/kestra-io/kestra/security/advisories/G...
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CVSS V3.1

Score:
4.2
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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