CVE-2022-29434: 
WordPress vulnerability analysis and mitigation

The CVE-2022-29434 is an Insecure Direct Object References (IDOR) vulnerability discovered in Spiffy Plugins Spiffy Calendar version 4.9.0 and earlier versions for WordPress. The vulnerability was disclosed on February 10, 2022, and affects the calendar plugin's event management functionality (Patchstack, NVD).

The vulnerability is classified as an Insecure Direct Object References (IDOR) issue with a CVSS v3.1 base score of 6.3 (Medium severity). The CVSS vector string is CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L, indicating that the vulnerability requires low attack complexity and privileged access, with no user interaction needed (NVD, Patchstack).

The vulnerability allows an authenticated attacker with subscriber-level access to edit or delete calendar events in the WordPress installation, potentially leading to unauthorized modification or removal of calendar data (Patchstack).

The vulnerability was patched in version 4.9.1 of the Spiffy Calendar plugin. Users are advised to update to version 4.9.1 or later to remediate the vulnerability. The update includes additional security checks and sanitation, along with the removal of front quick links (WordPress Plugin).