CVE-2022-1777: Filr Project Filr

High severity, CVSS 8.8. EPSS: 1.3% chance of exploitation in the next 30 days.

The Filr WordPress plugin before 1.2.2.1 does not have authorisation check in two of its AJAX actions, allowing them to be called by any authenticated users, such as subscriber. They are are protected with a nonce, however the nonce is leaked on the dashboard. This could allow them to upload arbitrary HTML files as well as delete all files or arbitrary ones.

Affected products

• Filr Project Filr: before 1.2.2.1 (fixed in 1.2.2.1)

Published 2022-06-13. Last modified 2026-06-17.