CVE-2025-53543
MEDIUMCVSS 4.2/10EPSS 0.15%
Last modified
CVE-2025-53543 is a medium-severity vulnerability rated 4.2/10 on the CVSS scale. 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. EPSS estimates a 0.15% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2025-53543?
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.
How severe is CVE-2025-53543?
CVE-2025-53543 has a CVSS score of 4.2/10 (MEDIUM severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.
How do I fix CVE-2025-53543?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2025
- CVE-2025-53537LibHTP is a security-aware parser for the HTTP protocol and …7.5
- CVE-2025-53538Suricata is a network IDS, IPS and NSM engine developed by t…7.5
- CVE-2025-53539FastAPI Guard is a security library for FastAPI that provide…7.5
- CVE-2025-53540arduino-esp32 is an Arduino core for the ESP32, ESP32-S2, ES…8.7
- CVE-2025-53541Tuleap is an Open Source Suite created to facilitate managem…5.4
- CVE-2025-53542Headlamp is an extensible Kubernetes web UI. A command injec…7.7
- CVE-2025-53544Trilium Notes is an open-source, cross-platform hierarchical…7.5
- CVE-2025-53545Press, a Frappe custom app that runs Frappe Cloud, manages i…6.9
- CVE-2025-53546Folo organizes feeds content into one timeline. Using pull_r…9.1
- CVE-2025-53547Helm is a package manager for Charts for Kubernetes. Prior t…8.6
- CVE-2025-53548Clerk helps developers build user management. Applications t…7.5
- CVE-2025-53549The Matrix Rust SDK is a collection of libraries that make i…5.2
Are you affected by CVE-2025-53543?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST