WordPress ECS plugin < 4.3.8 - Contributor+ Arbitrary Post Binding and Global Preset Modification via Dynamic Repeater Handlers vulnerability

Contributor+ Arbitrary Post Binding and Global Preset Modification via Dynamic Repeater Handlers vulnerability discovered by Seongwon LEE in WordPress Plugin ECS – Ele Custom Skin for Elementor versions 4.3.8...

CVE-2026-18807 ECS < 4.3.8 - Contributor+ Arbitrary Post Binding and Global Preset Modification via Dynamic Repeater Handlers

The ECS WordPress plugin before 4.3.8 does not have capability or ownership checks on its dynamic repeater actions, relying only on a nonce available to any user who can open the page builder, allowing users with a contributor-level account or above to read, alter and delete the binding...