CVE-2026-15958 Easy Dropbox Integration < 2.2.0 - Unauthenticated Arbitrary Connected Dropbox File Access and Upload via nopriv AJAX

The Easy Integration for Dropbox WordPress plugin before 2.2.0 does not perform authorization checks on several of its file-management AJAX actions that it also registers for unauthenticated users, allowing an unauthenticated attacker to list, download and upload arbitrary files across the...

CVE-2026-15958

The CVE concerns the Easy Integration for Dropbox WordPress plugin prior to version 2.2.0. The issue is an authorization failure: several file-management AJAX actions are accessible to unauthenticated users, enabling them to list, download, and upload arbitrary files across the connected Dropbox ...

CSRF in Facebook/Dropbox - "Mallory added a file using Dropbox"

tl;dr Facebook Groups offers the option to upload files directly from the Dropbox account. This integration is done using the OAuth 2.0 protocol and suffered from a variant of the classic OAuth CSRF defined by Egor Homakov as the the Most Common OAuth2 Vulnerability, see video below: Introduction...