Pagelayer 2.1.7 before 2.2.1 Missing Authorization via Abilities API
Pagelayer 2.1.7 before 2.2.1 contains a missing authorization vulnerability in Abilities API abilities registered in main/abilitiesregister.php that only require the edit_posts capability. Contributor-level attackers can overwrite, publish, delete, or duplicate other users' private posts and pages to read them, and modify site-wide theme templates like headers and footers.