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.
| Software | From | Fixed in |
|---|---|---|
| elastic / kibana | 7.17.6 | 7.17.24 |
| elastic / kibana | 8.4.0 | 8.12.0 |