CVE-2026-27991
Local File Inclusion in ThemeREX Avventure
Publication date: 2026-03-05
Last updated on: 2026-03-06
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| themerex | avventure | to 1.1.12 (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-2026-27991 is a Local File Inclusion (LFI) vulnerability in the WordPress Avventure Theme versions up to and including 1.1.12.
This vulnerability allows an unauthenticated attacker to include and display local files from the target website.
It arises from improper control of filenames used in include/require statements in PHP, which can be exploited to access sensitive files.
How can this vulnerability impact me? :
[{'type': 'paragraph', 'content': 'Exploitation of this vulnerability can lead to exposure of sensitive information such as database credentials.'}, {'type': 'paragraph', 'content': "If attackers obtain these credentials, they could potentially take over the entire database depending on the website's configuration."}, {'type': 'paragraph', 'content': 'Since no authentication is required to exploit this flaw, it poses a high risk to affected websites.'}] [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?
[{'type': 'paragraph', 'content': 'This Local File Inclusion (LFI) vulnerability in the WordPress Avventure Theme allows unauthenticated attackers to include and display local files, which can be detected by monitoring for suspicious HTTP requests attempting to include local files.'}, {'type': 'paragraph', 'content': 'While no specific commands are provided in the available resources, detection typically involves inspecting web server logs for unusual URL parameters or requests that attempt to include files via the vulnerable theme.'}, {'type': 'paragraph', 'content': "Additionally, applying Patchstack's mitigation rule can help block exploitation attempts and serve as a detection mechanism by logging blocked requests."}] [1]
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 apply the mitigation rule provided by Patchstack to block attacks targeting this Local File Inclusion flaw.
Users should implement this mitigation immediately to protect their websites from exploitation.
Monitoring for suspicious activity and restricting access to sensitive files on the server can also help reduce risk until an official patch is released.