How severe is CVE-2026-6147?

High severity. CVSS v3 base score is 8.8 out of 10.

Arbitrary file upload in Lightsyncpro Lightsync Pro – Connect & Sync Cloud Assets | Lightroom, Canva, Figma, Dropbox Shutterstock

CVE-2026-6147

The LightSync Pro plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the rest_replace_media() function in all versions up to, and including, 2.1.6. This makes it possible for authenticated a…

Vulnerability class: Unrestricted File Upload

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Lightsyncpro Lightsync Pro – Connect & Sync Cloud Assets | Lightroom, Canva, Figma, Dropbox Shutterstock — versions 0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

Frequently asked questions

What is CVE-2026-6147?: CVE-2026-6147 is a high-severity vulnerability in Lightsyncpro Lightsync Pro – Connect & Sync Cloud Assets | Lightroom, Canva, Figma, Dropbox Shutterstock, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2026-08-05.
How severe is CVE-2026-6147?: High severity. CVSS v3 base score is 8.8 out of 10.