The vulnerability CVE-2026-28006 in ThemeREX Yungen theme arises from improper validation or control of filenames used in PHP include or require statements. This weakness enables an attacker to perform PHP Local File Inclusion, potentially allowing arbitrary code execution or disclosure of sensitive files. The affected versions include all releases up to and including 1.0.12. The CVSS 3.1 base score is 8.1, reflecting network attack vector, high complexity, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability. No patch or vendor advisory is currently available, and the product is not a cloud service.

Successful exploitation of this vulnerability can lead to local file inclusion, which may allow attackers to execute arbitrary PHP code, access sensitive files, or disrupt service. The impact affects confidentiality, integrity, and availability of the affected system. Given the high CVSS score, the vulnerability poses a serious risk to systems running vulnerable versions of the ThemeREX Yungen theme.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider disabling or removing the vulnerable theme or restricting access to the affected application to trusted users only. Monitor official ThemeREX communications for updates and apply patches promptly once available.