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Vulnerabilities

Vulnerability · 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 versio

Published Feb 6, 2026 · catalog updated Apr 8, 2026 · bPlugins Timeline Block – Beautiful Timeline Builder for WordPress (Vertical & Horizontal Timelines)

Last checked Nov 6, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-1228. EPSS is 0.21%. Act only if a listed version of bPlugins Timeline Block – Beautiful Timeline Builder for WordPress (Vertical & Horizontal Timelines) is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.21%
Remediation
Vendor / distro source
Affected products
vendor bPlugins Timeline Block – Beautiful Timeline Builder for WordPress (Vertical & Horizontal Timelines) 0 ≤1.3.3

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor bPlugins Timeline Block – Beautiful Timeline Builder for WordPress (Vertical & Horizontal Timelines) 0 ≤1.3.30 ≤1.3.3

How to fix CVE-2026-1228

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-1228. EPSS is 0.21%. Act only if a listed version of bPlugins Timeline Block – Beautiful Timeline Builder for WordPress (Vertical & Horizontal Timelines) is installed.

Which versions are affected?

Compare what you have installed with bPlugins Timeline Block – Beautiful Timeline Builder for WordPress (Vertical & Horizontal Timelines) 0 ≤1.3.3 0 ≤1.3.3. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.21%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 6, 2026 · EUVD

    Detected

    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 pri

  2. Apr 8, 2026 · EUVD

    Updated

    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 pri

Sources

  • CVE.orgVulnerability recordCVE-2026-1228

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-1228

    30-day exploitation probability 0.21%

    first.org
  • EUVDVulnerability recordEUVD-2026-5609

    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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 6, 2026
  • CVE.orgNov 4, 2026
  • EUVDNov 2, 2026