CVE-2022-1453: 
WordPress vulnerability analysis and mitigation

The RSVPMaker WordPress plugin (versions up to and including 9.2.5) contains an unauthenticated SQL Injection vulnerability (CVE-2022-1453) discovered in April 2022. The vulnerability exists due to missing SQL escaping and parameterization on user-supplied data passed to a SQL query in the rsvpmaker-util.php file (NVD, CVE).

The vulnerability is classified as SQL Injection (CWE-89) with a CVSS v3.1 base score of 7.5 HIGH (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) according to NVD, while Wordfence rates it as 9.8 CRITICAL (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). The vulnerability stems from improper neutralization of special elements in SQL commands in the rsvpmaker-util.php file (NVD).

The vulnerability allows unauthenticated attackers to steal sensitive information from the database through SQL injection attacks (NVD).

The vulnerability can be exploited remotely by unauthenticated attackers without user interaction. The attack complexity is rated as low, requiring no special access conditions or privileges (NVD).

The vulnerability was patched in version 9.2.6 of the RSVPMaker plugin. Users should update to this version or later to mitigate the risk (GitHub Patch).