cleantalk
Vulnerabilities and Security Researches

Kirki Customizer Framework, CVE-2026-84223

CVE, Research URL

CVE-2026-84223

Published on
Sep 20, 2026
Research Description
The Kirki WordPress plugin before 6.3.1 does not sanitize uploaded SVG files while making them uploadable site-wide, allowing users with author-level access and above to upload a file containing JavaScript which is then served from the site's own origin and runs in the session of anyone who opens it.
Affected versions
Min 6.0.0, max 6.3.1.
Status
vulnerable