CVE-2026-105886: WordPress Ultimate Post Kit plugin <= 4.5.5 - Broken Access Control vulnerability

Published Oct 8, 2026
·
Updated

Missing Authorization vulnerability in BdThemes Ultimate Post Kit ultimate-post-kit allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Ultimate Post Kit: from n/a through 4.5.5.

Affected Software

1 affected component
BdThemes Ultimate Post Kit<=4.5.5

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade wordpress/ultimate-post-kit to a version that resolves this vulnerability.

    Fixed in 4.5.6

Event History

Oct 8, 2026
CVE Published
via MITRE·12:57 PM
Data Sourced
via MITRE·12:57 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·01:17 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What level of access does an attacker need to exploit this issue?

The vulnerability requires low-privileged access, as indicated by PR:L in the CVSS vector. It does not require user interaction and can be exploited over the network.

2

What security impact is identified?

The reported impact is high confidentiality impact, with no identified integrity or availability impact. Successful exploitation could expose information accessible through incorrectly configured authorization controls.

3

Which Ultimate Post Kit versions are affected?

Ultimate Post Kit versions through 4.5.5 are affected. The available data does not identify a fixed version.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203