CVE-2026-27996
Local File Inclusion in Lingvico ThemeREX
Publication date: 2026-03-05
Last updated on: 2026-03-06
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| themerex | lingvico | From 1.0.0 (inc) to 1.0.14 (inc) |
| themerex | lingvico | to 1.0.14 (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-2026-27996 is a Local File Inclusion (LFI) vulnerability found in the WordPress Lingvico Theme versions up to and including 1.0.14. This vulnerability allows an unauthenticated attacker to include and display local files from the target website.
The issue arises from improper control of the filename used in include or require statements in PHP, which can be exploited to access sensitive files on the server.
How can this vulnerability impact me? :
[{'type': 'paragraph', 'content': 'Exploitation of this vulnerability can lead to exposure of sensitive information such as database credentials by allowing attackers to include local files from the server.'}, {'type': 'paragraph', 'content': "Depending on the website's configuration, an attacker could potentially achieve a complete database takeover."}, {'type': 'paragraph', 'content': 'This represents a high risk with a CVSS severity score of 8.1, indicating a high likelihood of exploitation and serious impact.'}] [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 vulnerability allows an attacker to include local files via the WordPress Lingvico Theme, potentially exposing sensitive information. Detection can involve monitoring web server logs for suspicious requests attempting to include local files.'}, {'type': 'list_item', 'content': 'Check web server access logs for requests containing suspicious parameters that may attempt Local File Inclusion (LFI), such as those including file paths or directory traversal patterns (e.g., ../).'}, {'type': 'list_item', 'content': "Use commands like grep to search for suspicious patterns in logs, for example: grep -i 'include' /var/log/apache2/access.log or grep -E '\\.\\./' /var/log/apache2/access.log"}, {'type': 'list_item', 'content': 'Employ web application firewalls (WAF) or intrusion detection systems (IDS) with rules targeting LFI attempts, such as the mitigation rule provided by Patchstack.'}] [1]
What immediate steps should I take to mitigate this vulnerability?
Since no official patch is currently available for the Lingvico theme, immediate mitigation involves applying the Patchstack mitigation rule designed to block attacks targeting this Local File Inclusion vulnerability.
- Apply Patchstack’s mitigation rule immediately to protect your site from exploitation.
- Monitor your website and server logs for suspicious activity related to file inclusion attempts.
- Consider restricting file permissions and access to sensitive files on your server to minimize potential damage.
- Keep your WordPress installation and plugins/themes updated and watch for official patches or updates from the theme developer.