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Ultimate Post Kit Addons for Elementor <= 4.0.21 — Missing Authorization

CVE-2026-24362Published · Updated

Action summary

Affected: ≤4.0.21Update to 4.0.22 or newer

All remediation steps
Watch plugin
Severity
Medium4.3
CVSS
4.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:N User interaction
None
S:U Scope
Unchanged
C:N Confidentiality
None
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-862 Missing Authorization
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Ultimate Post Kit – Elementor Post Grid, Post Carousel, Post Slider & Blog Layout Widgets ultimate-post-kit

  1. Affected≤ 4.0.21
  2. Patched in4.0.22

Update to 4.0.22 or newer.

You are affected if you run ≤ 4.0.21. Version 4.0.22 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Ultimate Post Kit – Elementor Post Grid, Post Carousel, Post Slider & Blog Layout Widgets.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 4.0.22, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Ultimate Post Kit – Elementor Post Grid, Post Carousel, Post Slider & Blog Layout Widgets to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to 0xd4rk5id3.

The Ultimate Post Kit Addons for Elementor plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to, and including, 4.0.21. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform an unauthorized action.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in Ultimate Post Kit – Elementor Post Grid, Post Carousel, Post Slider & Blog Layout Widgets

All 7
More vulnerabilities in Ultimate Post Kit – Elementor Post Grid, Post Carousel, Post Slider & Blog Layout Widgets
SeverityVulnerabilityCVEPublished
Medium4.3Missing Authorization
≤4.5.5Update to 4.5.6
CVE-2026-105886
Medium5.4Cross-Site Scripting via display_id from Sigmative API
≤4.4.5Update to 4.4.6
CVE-2026-92991
Medium5.3Unauthenticated Information Disclosure
≤4.0.15Update to 4.0.16
CVE-2025-14434
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via Social Count (Static) Widget
≤3.11.7Update to 3.11.8
CVE-2024-5662
Medium6.1Reflected Cross-Site Scripting via fs_request_get
≤1.9.2No patch available
CVE-2023-33999

Same weakness (Missing Authorization)

All Missing Authorization
Other Missing Authorization vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity medium, CVSS 4.3

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVE® identifiers
[object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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