vulnerability
WordPress Plugin: timeline-block-block: CVE-2026-1228: Authorization Bypass Through User-Controlled Key
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:L/Au:S/C:P/I:N/A:N) | Feb 5, 2026 | Feb 6, 2026 | Feb 9, 2026 |
Severity
4
CVSS
(AV:N/AC:L/Au:S/C:P/I:N/A:N)
Published
Feb 5, 2026
Added
Feb 6, 2026
Modified
Feb 9, 2026
Description
The Timeline Block – Beautiful Timeline Builder for WordPress (Vertical and 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.
Solution
timeline-block-block-plugin-cve-2026-1228
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