CVE-2026-1228
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.
Published:Feb 6, 2026
Last Modified:Apr 15, 2026
EPS:Feb 6, 2026
EPSS Score:0.00037
CVSS Score:4.3
Affected Products
Vendor
Product
Action
Vendor
Bplugins
Product
Timeline Block – Beautiful Timeline Builder For Wordpress (vertical & Horizontal Timelines)
Bplugins
Timeline Block – Beautiful Timeline Builder For Wordpress (vertical & Horizontal Timelines)
Vendor
Wordpress
Product
Wordpress
Wordpress
Wordpress
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
