Arbitrary File Upload Vulnerability in LightSync Pro Plugin for WordPress
CVE-2026-6147

8.8HIGH

Key Information:

Vendor

WordPress
Status
Lightsync Pro – Connect & Sync Cloud Assets | Lightroom, Canva, Figma, Dropbox & Shutterstock
Vendor
CVE Published:
5 August 2026

What is CVE-2026-6147?

The LightSync Pro plugin for WordPress is susceptible to an arbitrary file upload vulnerability due to inadequate file type validation within the rest_replace_media() function. This flaw affects all versions up to and including 2.1.6, allowing authenticated users with Author-level permissions or greater to upload unauthorized files to the server. Such actions could potentially lead to remote code execution, posing a significant threat to the integrity and security of affected WordPress sites.

Affected Version(s)

LightSync Pro – Connect & Sync Cloud Assets | Lightroom, Canva, Figma, Dropbox & Shutterstock 0 <= 2.1.6

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/lightsyncpro/t...
https://plugins.trac.wordpress.org/browser/lightsyncpro/t...

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Athiwat Tiprasaharn (Jitlada)
Itthidej Aramsri (Boeing777)
.