medium6.1
CVE-2026-88593
kkFileView 5.0.0 through 5.0.2 allows reflected XSS via the /onlinePreview endpoint.
Impact
kkFileView 5.0.0 through 5.0.2 allows reflected XSS via the /onlinePreview endpoint. The OnlinePreviewController passes the user-controlled page and kkagent request parameters to FreeMarker templates without sanitization, and the templates insert these values into raw JavaScript contexts.
Affected products
| Product | Affected versions |
|---|---|
| KkFileView 5.0.0 | through 5.0.2 |
Versions were read from the advisory text. No structured product data has been published for this record yet.