CVE-2025-53543

Kestra allows Stored XSS before 0.22

At a glance

Severity: MEDIUM 4.2
EPSS: EPSS 0.18 % · percentile 7 (2026-10-27)
State: PUBLISHED
Published: 2025-07-07
Updated: 2025-07-07
Assigner: GitHub_M
NVD status: Deferred

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 4.2	CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N	GitHub_M
CVSS 3.1	MEDIUM 4.2	CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N	NVD · security-advisories@github.com (Secondary)

Weaknesses (CWE)

CWE-79

European references

ENISA EUVD · EUVD-2025-20317
GCVE · GCVE-0-2025-53543

Affected products

Product	Versions
kestra-io · kestra	affected < 0.22.0

References

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

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD