CVE-2026-39612
Missing Authorization in KuteShop ≤ 4.2.9 Enables Unauthorized Access
Publication date: 2026-04-08
Last updated on: 2026-04-29
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| kutethemes | kuteshop | to 4.2.9 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-862 | The product does not perform an authorization check when an actor attempts to access a resource or perform an action. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2026-39612 is a Broken Access Control vulnerability found in the WordPress KuteShop Theme versions up to and including 4.2.9. It is caused by missing authorization, authentication, or nonce token checks in certain functions of the theme.
This flaw allows unauthenticated users to perform actions that should be restricted to higher-privileged users, due to incorrectly configured access control security levels.
The vulnerability is classified as low priority with a CVSS severity score of 5.3 and falls under the OWASP Top 10 category A1: Broken Access Control.
How can this vulnerability impact me? :
This vulnerability allows unauthenticated attackers to execute actions reserved for privileged users, potentially leading to unauthorized changes or operations within the affected WordPress site.
Although it can be exploited in mass campaigns targeting many websites regardless of their popularity or traffic, the overall impact is considered low and exploitation is unlikely.
No official patch is currently available, so immediate mitigation involves updating the theme if possible or seeking help from hosting providers or developers.
What immediate steps should I take to mitigate this vulnerability?
The immediate mitigation involves updating the affected KuteShop WordPress theme to a newer version if available.
Since no official patch is currently available, you should seek assistance from your hosting provider or developers to implement custom access control measures.
Patchstack offers rapid vulnerability mitigation services that can be considered as part of your response.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The CVE-2026-39612 vulnerability involves missing authorization and broken access control in the KuteShop WordPress theme, which could potentially allow unauthorized users to perform actions reserved for higher-privileged users.
Such broken access control issues can lead to unauthorized data access or modification, which may impact compliance with standards and regulations like GDPR and HIPAA that require strict access controls and protection of sensitive data.
However, the provided information does not explicitly describe the direct impact of this vulnerability on compliance with these regulations.
How can this vulnerability be detected on my network or system? Can you suggest some commands?
The CVE-2026-39612 vulnerability is a Broken Access Control issue in the KuteShop WordPress theme up to version 4.2.9, caused by missing authorization checks. Detection involves identifying if the vulnerable theme version is in use and monitoring for unauthorized access attempts to privileged functions.
Since this vulnerability allows unauthenticated users to perform actions reserved for higher-privileged users, you can detect exploitation attempts by checking web server logs for unusual requests targeting theme-specific endpoints or shortcode execution.
No official detection scripts or commands are provided in the available resources, but general approaches include:
- Checking the WordPress installation for the KuteShop theme version (should be <= 4.2.9 to be vulnerable).
- Reviewing web server access logs for suspicious requests that attempt to execute shortcodes or access admin-level functions without authentication.
- Using commands like `grep` on server logs to find suspicious patterns, for example: `grep -i 'kuteshop' /var/log/apache2/access.log` or `grep -E 'wp-content/themes/kuteshop' /var/log/apache2/access.log`.
- Running WordPress CLI commands to check the installed theme version, e.g., `wp theme list --status=active` and verifying if KuteShop is active and its version.
Because no official patch or detection tool exists, monitoring for unusual activity and verifying theme versions remain the primary detection methods.