CVE-2026-1228
Medium
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.
SeverityMedium
CVSS4.3
Exploit probability—
ProductTimeline Block – Beautiful Timeline Builder for WordPress (Vertical & Horizontal Timelines)
PublishedFeb 6, 2026
First seenFeb 6, 2026
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| bplugins Timeline Block – Beautiful Timeline Builder for WordPress (Vertical & Horizontal Timelines) | v ≤ 1.3.3 | — |
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