CVE-2026-28066
Local File Inclusion in ThemeREX Legrand <= 2.17 Allows Code Execution
Publication date: 2026-03-05
Last updated on: 2026-03-05
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| themerex | legrand | to 2.17 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-98 | The PHP application receives input from an upstream component, but it does not restrict or incorrectly restricts the input before its usage in "require," "include," or similar functions. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2026-28066 is a Local File Inclusion (LFI) vulnerability found in the WordPress Legrand Theme versions up to and including 2.17. This vulnerability allows unauthenticated attackers to include and display local files from the target website by exploiting improper control of filenames in PHP include/require statements.
Because of this flaw, attackers can access sensitive files on the server, such as those containing database credentials, which could lead to further compromise of the website.
The vulnerability is categorized under the OWASP Top 10 category A3: Injection and is considered high priority with a CVSS severity score of 8.1.
How can this vulnerability impact me? :
[{'type': 'paragraph', 'content': 'Exploitation of this vulnerability can allow attackers to read sensitive local files on your website server without any authentication.'}, {'type': 'paragraph', 'content': "This could expose critical information such as database credentials, which might enable attackers to take over the entire database depending on your website's configuration."}, {'type': 'paragraph', 'content': 'Since no privileges are required to exploit this flaw, it is highly dangerous and likely to be targeted by attackers, potentially leading to data breaches and loss of control over your website.'}] [1]
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
The vulnerability allows unauthenticated attackers to include and display local files from the target website, which can be detected by monitoring for suspicious HTTP requests attempting to exploit Local File Inclusion (LFI) patterns.
While no specific commands are provided, detection can involve inspecting web server logs for requests containing suspicious parameters that attempt to include local files, such as those with directory traversal sequences (e.g., ../) or attempts to access sensitive files.
Additionally, implementing the Patchstack mitigation rule can help block exploitation attempts and serve as a detection mechanism by alerting on blocked requests.
What immediate steps should I take to mitigate this vulnerability?
Since no official patch is currently available for this vulnerability, the immediate recommended step is to implement the mitigation rule released by Patchstack, which blocks exploitation attempts.
Applying this mitigation promptly will provide immediate protection until an official patch can be developed, tested, and safely applied.
Users should also monitor their systems for suspicious activity and consider restricting access to sensitive files and directories as a precaution.