CVE-2025-53543

Kestra allows Stored XSS before 0.22

Description

Kestra is an event-driven orchestration platform. The error message in execution "Overview" tab is vulnerable to stored XSS due to improper handling of HTTP response received. This vulnerability is fixed in 0.22.0.

Category

4.2
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Affected: kestra-io kestra
Published at:
Updated at:

References

Link Tags
https://github.com/kestra-io/kestra/security/advisories/GHSA-qpj4-4r6r-wvf4

Frequently Asked Questions

What is the severity of CVE-2025-53543?
CVE-2025-53543 has been scored as a medium severity vulnerability.
How to fix CVE-2025-53543?
To fix CVE-2025-53543, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-53543 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-53543 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-53543?
CVE-2025-53543 affects kestra-io kestra.
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