The vulnerability CVE-2026-28059 affects the ThemeREX Dermatology Clinic theme for WordPress, specifically versions up to 1.4.3. It arises from improper control of filenames used in PHP include or require statements, enabling PHP Local File Inclusion (LFI). This can allow an attacker to include unauthorized files on the server, potentially leading to remote code execution or disclosure of sensitive information. The CVSS 3.1 base score is 8.1, reflecting high impact on confidentiality, integrity, and availability, with network attack vector, no privileges required, no user interaction, but high attack complexity.

Successful exploitation of this vulnerability can result in full compromise of the affected web server running the Dermatology Clinic theme, including unauthorized disclosure of sensitive files, modification of data, and disruption of service. The high CVSS score indicates severe impact on confidentiality, integrity, and availability. No known exploits in the wild have been reported as of the published date.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official patch or fix information is provided in the available data. Until a patch is available, users should consider disabling or removing the affected theme version to mitigate risk. Monitor vendor channels for updates and apply official fixes promptly once released.