CVE-2026-6147 LightSync Pro <= 2.1.6 - Authenticated (Author+) Arbitrary File Upload
Authenticated attackers with Author-level access can upload arbitrary files to the server, potentially leading to remote code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
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, published on 5 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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 attackers, with Author-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.
Weakness: CWE-434
Which versions are affected by CVE-2026-6147?
How do I fix CVE-2026-6147?
No fix has been published for CVE-2026-6147 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-6147 being exploited?
There is no known exploitation of CVE-2026-6147 in the wild and no public exploit code.
Sources
Also known as GHSA-3675-4vjh-249r.