{"cve":"CVE-2021-24555","nvd":{"published":"2021-08-23T12:15:09.900","modified":"2026-06-17T03:40:13.763","status":"Modified","description":"The daac_delete_booking_callback function, hooked to the daac_delete_booking AJAX action, takes the id POST parameter which is passed into the SQL statement without proper sanitisation, validation or escaping, leading to a SQL Injection issue. Furthermore, the ajax action is lacking any CSRF and capability check, making it available to any authenticated user.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-89","CWE-352"],"references":["https://codevigilant.com/disclosure/2021/wp-plugin-diary-availability-calendar/","https://wpscan.com/vulnerability/8eafd84b-6214-450b-869b-0afe7cca4c5f","https://codevigilant.com/disclosure/2021/wp-plugin-diary-availability-calendar/","https://wpscan.com/vulnerability/8eafd84b-6214-450b-869b-0afe7cca4c5f"],"products":["roosty:diary-availability-calendar"],"source":"nvd","synced_at":"2026-10-19T21:21:57.125947417+00:00"},"epss":{"cve":"CVE-2021-24555","score":0.00821,"percentile":0.57294,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}