Timeline Block – Beautiful Timeline Builder for WordPress (Vertical & Horizontal Timelines): A security weakness
Timeline Block – Beautiful Timeline Builder for WordPress (Vertical & Horizontal Timelines) is affected by a security weakness. Exploitation requires at least author-level access. The resulting impact depends on how the affected component exposes the vulnerable operation.
- Component
- Timeline Block – Beautiful Timeline Builder for WordPress (Vertical & Horizontal Timelines)
- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Feb 06, 2026
This CVE was published Feb 06, 2026 and is one of 1 known issue for this plugin.
Update, patch or deactivate.
Update Timeline Block – Beautiful Timeline Builder for WordPress (Vertical & Horizontal Timelines) to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical 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.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N