CVE-2025-30622: 
WordPress vulnerability analysis and mitigation

The CVE-2025-30622 is a SQL Injection vulnerability discovered in the WordPress plugin PostMash Custom. The vulnerability affects all versions of PostMash through version 1.0.3. This security issue was first reported on March 14, 2025, and was publicly disclosed on March 26, 2025 (Patchstack).

The vulnerability is classified as an Improper Neutralization of Special Elements used in an SQL Command (SQL Injection) with a CWE-89 classification. It has received a Critical CVSS v3.1 base score of 9.3, with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L. The issue stems from insufficient escaping on user-supplied parameters and lack of sufficient preparation on existing SQL queries (WPScan).

This vulnerability allows unauthenticated attackers to append additional SQL queries into existing queries, potentially leading to the extraction of sensitive information from the database. The high CVSS score indicates that this is a critical security issue that could lead to significant data compromise (Patchstack).

Currently, there is no official fix available for this vulnerability. Patchstack has issued a virtual patch to mitigate this issue by blocking potential attacks until an official fix becomes available. Website administrators are advised to implement immediate mitigation measures (Patchstack).