The vulnerability CVE-2026-27339 affects the AncoraThemes Buzz Stone WordPress theme up to version 1.0.2. It arises from improper validation or control of filenames used in PHP include or require statements, which can lead to Local File Inclusion (LFI). This allows an attacker to potentially execute arbitrary local files on the server, compromising confidentiality, integrity, and availability of the web application. The CVSS 3.1 base score is 8.1, reflecting network attack vector, high attack complexity, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability. There is no vendor advisory or patch link available at this time, and no known exploits have been reported.

Successful exploitation of this vulnerability could allow an attacker to include and execute arbitrary local files on the server hosting the vulnerable WordPress theme. This can lead to disclosure of sensitive information, modification of data, and potential denial of service. The high CVSS score (8.1) reflects the critical impact on confidentiality, integrity, and availability. However, no known exploits in the wild have been reported so far.

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 and avoid exposing the affected application to untrusted users. Monitoring official AncoraThemes communications for updates is recommended.