The Backuply WordPress plugin suffers from a CWE-22 path traversal vulnerability in its delete backup feature, allowing authenticated administrators to delete arbitrary files on the server. This occurs because the plugin does not properly validate or restrict file paths before deletion. Successful exploitation can lead to high impact, including remote code execution, by removing critical files such as wp-config.php. The vulnerability affects all versions up to and including 1.4.8. The CVSS 3.1 base score is 6.5, reflecting network attack vector, low attack complexity, high privileges required, no user interaction, and high impact on integrity and availability. No patch or vendor advisory is currently provided, and no known exploits have been reported.

An attacker with Administrator-level access can delete arbitrary files on the server, which can disrupt website functionality and potentially enable remote code execution if critical files are removed. This compromises the integrity and availability of the affected system. The vulnerability does not directly impact confidentiality. The medium CVSS score reflects the need for high privileges but significant impact if exploited.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, administrators should restrict Administrator-level access to trusted users only and consider disabling or removing the Backuply plugin if not essential. Monitoring for unusual file deletions may help detect exploitation attempts.