CVE-2025-53543CWE-79

Kestra allows Stored XSS before 0.22

Medium · published July 7, 2025

CVSS v3.1
4.2
EPSS
0%
Percentile
7.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.2 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00179 · 7.1th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-07-07T19:54Z
EPSS history
Timeline
  • 07 JUL 19:54Z
    Kestra allows Stored XSS before 0.22
    cvelistv5