CVE-2026-1228 Timeline Block <= 1.3.3 - Insecure Direct Object Reference to Authenticated (Author+) Private Timeline Exposure via Shortcode Attribute

The Timeline Block – Beautiful Timeline Builder for WordPress Vertical & Horizontal Timelines plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.3.3 via the tlgbshortcode function due to missing validation on a user controlled key. This...

WordPress Timeline Block plugin <= 1.3.3 - Insecure Direct Object Reference to Authenticated (Author+) Private Timeline Exposure via Shortcode Attribute vulnerability

Insecure Direct Object Reference to Authenticated Author+ Private Timeline Exposure via Shortcode Attribute vulnerability discovered by Kazuma Matsumoto - GMO Cybersecurity by IERAE, Inc. in WordPress Plugin Timeline Block versions = 1.3.3...