PT-2026-6667 · WordPress · Timeline Block – Beautiful Timeline Builder For Wordpress

Kazuma Matsumoto · Published 2026-02-06 · Updated 2026-02-06 · CVE-2026-1228

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions The Timeline Block – Beautiful Timeline Builder for WordPress versions up to and including 1.3.3

Description The software is susceptible to an Insecure Direct Object Reference issue. This is due to a lack of validation on a user-controlled key within the tlgb shortcode() function. Authenticated attackers with Author-level access or higher can potentially disclose private timeline content by manipulating the id attribute within the 'timeline block' shortcode.

Recommendations Update The Timeline Block – Beautiful Timeline Builder for WordPress to a version later than 1.3.3.

Fix

IDOR

Weakness Enumeration

CWE-639

Related Identifiers

CVE-2026-1228

Affected Products

Timeline Block – Beautiful Timeline Builder For Wordpress

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-1228 · Security Note
• https://twitter.com/CVEnew/status/2019618722542154179 · Twitter Post
• https://t.me/cveNotify/151080 · Telegram Post
• https://t.me/CVEtracker/43884 · Telegram Post
• https://plugins.trac.wordpress.org/changeset/3446078/timeline-block-block · Note
• https://twitter.com/VulmonFeeds/status/2019672172927521168 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/cecebfd0-c2af-4150-8793-299cdbeaa7b9?source=cve · Note