CVE-2026-1228

MEDIUM EPSS 7.5%

Published Feb 6, 20264mo ago · Modified Jun 17, 20262w ago

4.3 CVSS 3.1

Medium

Published Feb 6, 2026 4mo ago

Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score

4.3

Exploitability

2.8

Impact

1.4

Vector string

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector Network

Attack Complexity Low

Privileges Required Low

User Interaction None

Scope Unchanged

Confidentiality Low

Integrity None

Availability None

Threat Intelligence

EPSS Exploit Probability

7.5% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-639

References 2

plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3446078/timeline-block-block
wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/cecebfd0-c2af-4150-8793-299cdbeaa7b9?source=cve

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.