CVE-2026-88593

MEDIUMCVSS 6.1

Description

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.

Timeline

Published:September 16th, 2026 6:17 PM

Last modified:September 22nd, 2026 8:00 PM

CVSS Scoring

CVSS v3: 6.1 (MEDIUM)

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)

CWE-79

References & Reports

Advisories, patches, and third-party reports

https://github.com/sg-summer/cve/issues/3
https://github.com/sg-summer/cve/issues/3

Source: NIST NVD · Data may lag official sources by up to one minute