CVE-2023-50840: 
WordPress vulnerability analysis and mitigation

A SQL Injection vulnerability was discovered in the WordPress Booking Manager plugin, identified as CVE-2023-50840. The vulnerability affects versions up to and including 2.1.5 of the plugin developed by wpdevelop/oplugins. The issue was initially reported by Ngô Thiên An (ancorn_) from VNPT-VCI on September 27, 2023, and was publicly disclosed on December 21, 2023 (Patchstack).

The vulnerability is classified as an Improper Neutralization of Special Elements used in an SQL Command (SQL Injection) with CWE-89. It received a CVSS v3.1 base score of 8.8 (High) from NIST with a vector string of CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Patchstack assigned a slightly different CVSS score of 8.5 (High) with a vector string of CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L (NVD).

The SQL Injection vulnerability could allow a malicious actor with contributor-level access or higher to directly interact with the database. This interaction could potentially lead to unauthorized access to sensitive information, data manipulation, and possible database compromise (Patchstack).

The vulnerability has been patched in version 2.1.6 of the Booking Manager plugin. Users are advised to update to this version or later immediately. Additionally, Patchstack has issued a virtual patch to mitigate this issue by blocking potential attacks until users can update to the fixed version (Patchstack).