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CVE-2026-1228

MEDIUM 4.3 CVSS 3.1
Published
February 6, 2026
Last modified
June 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-639
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Description

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 tlgb_shortcode() function due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Author-level access and above, to disclose private timeline content via the id attribute supplied to the 'timeline_block' shortcode.

Affected WordPress components

  • Timeline Block – tell your story with elegant timelines Plugin · timeline-block-block
    Confirmed match Active
    Up to and including 1.3.3
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • bplugins Timeline Block – Beautiful Timeline Builder for WordPress (Vertical & Horizontal Timelines) — Up to and including 1.3.3

References