Unrestricted upload of a file with dangerous type in Kibana can lead to arbitrary JavaScript execution in a victim’s browser (XSS) via crafted HTML and JavaScript files. The attacker must have access to the Synthetics app AND/OR have access to write to the synthetics indices.
2025-05-01T14:15:34.913
2025-10-01T19:29:57.070
Analyzed
CVSSv3.1: 5.4 (MEDIUM)
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | elastic | kibana | < 7.17.24 | Yes |
| Application | elastic | kibana | < 8.12.0 | Yes |