{"id":"CVE-2021-24555","aliases":["EUVD-2021-11467","GHSA-7qqw-3436-pv6f"],"status":"published","title":"Diary \u0026 Availability Calendar \u003c= 1.0.3 - Authenticated (subscriber+) SQL Injection","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.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00821,"percentile":0.57716,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352","CWE-89"],"published":"2021-08-23T11:10:09Z","modified":"2026-06-17T03:40:13Z","products":[{"vendor":"roosty","product":"diary-availability-calendar"},{"vendor":"unknown","product":"diary \u0026 availability calendar"}],"references":[{"url":"https://wpscan.com/vulnerability/8eafd84b-6214-450b-869b-0afe7cca4c5f","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://codevigilant.com/disclosure/2021/wp-plugin-diary-availability-calendar/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24555"},{"url":"https://github.com/advisories/GHSA-7qqw-3436-pv6f"}],"sources":{"cve":[{"id":"CVE-2021-24555","title":"Diary \u0026 Availability Calendar \u003c= 1.0.3 - Authenticated (subscriber+) SQL Injection","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.","status":"published","published":"2021-08-23T11:10:09Z","modified":"2024-08-03T19:35:20.187Z","cwes":["CWE-89","CWE-352"],"updated_at":"2026-11-02T14:33:05.000797Z"}],"euvd":[{"id":"EUVD-2021-11467","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.","status":"published","published":"2021-08-23T11:10:09Z","modified":"2024-08-03T19:35:20Z","updated_at":"2026-11-03T03:24:56.857735Z"}],"ghsa":[{"id":"GHSA-7qqw-3436-pv6f","title":"The daac_delete_booking_callback function, hooked to the daac_delete_booking AJAX action, takes...","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.","status":"published","published":"2022-05-24T19:11:55Z","modified":"2023-01-27T05:03:41Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-89","CWE-352"],"updated_at":"2026-11-02T14:42:17.713098Z"}],"nvd":[{"id":"CVE-2021-24555","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.","status":"published","published":"2021-08-23T12:15:09.9Z","modified":"2026-06-17T03:40:13.763Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-89","CWE-352"],"updated_at":"2026-11-02T14:06:57.318236Z"}]}}