CVE-2026-5193: Privilege Escalation in Essential Addons for Elementor

The primary impact of CVE-2026-5193 is the potential for unauthorized privilege escalation within a WordPress site. An attacker, already possessing author or higher access, can leverage this vulnerability to create new user accounts with editor or administrator privileges. This grants them the ability to modify content, install plugins, change site settings, and potentially compromise the entire WordPress installation. The blast radius extends to any data accessible by the newly created privileged user, including sensitive information stored in the database or accessible through plugins. This vulnerability shares similarities with other privilege escalation flaws where insufficient role validation allows for unauthorized access elevation.

1. 予約済み2026-03-30
2. 公開日2026-05-14

The recommended mitigation for CVE-2026-5193 is to immediately upgrade the Essential Addons for Elementor plugin to version 6.6.0 or later. If upgrading is not immediately feasible due to compatibility issues or breaking changes, consider temporarily restricting user creation privileges to administrators only through WordPress user management settings. While not a complete fix, this can limit the attacker's ability to exploit the vulnerability. Monitor WordPress logs for suspicious user creation activity, specifically looking for new users being created with elevated roles. After upgrading, verify the fix by attempting to create a new user with author privileges and confirming that the creation fails with an appropriate error message.