{"id":"CVE-2021-24552","aliases":["EUVD-2021-11464","GHSA-9cm5-927x-hwm7"],"status":"published","title":"Simple Events Calendar \u003c= 1.4.0 - Authenticated (admin+) SQL Injection","description":"The Simple Events Calendar WordPress plugin through 1.4.0 does not sanitise, validate or escape the event_id POST parameter before using it in a SQL statement when deleting events, leading to an authenticated SQL injection issue","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01578,"percentile":0.75694,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-89"],"published":"2021-08-23T11:10:07Z","modified":"2026-06-17T03:40:13Z","products":[{"vendor":"simple_events_calendar_project","product":"simple_events_calendar"},{"vendor":"unknown","product":"simple events calendar"}],"references":[{"url":"https://wpscan.com/vulnerability/3482a015-a5ed-4913-b516-9eae2b3f89db","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://codevigilant.com/disclosure/2021/wp-plugin-simple-events-calendar/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24552"},{"url":"https://github.com/advisories/GHSA-9cm5-927x-hwm7"}],"sources":{"cve":[{"id":"CVE-2021-24552","title":"Simple Events Calendar \u003c= 1.4.0 - Authenticated (admin+) SQL Injection","description":"The Simple Events Calendar WordPress plugin through 1.4.0 does not sanitise, validate or escape the event_id POST parameter before using it in a SQL statement when deleting events, leading to an authenticated SQL injection issue","status":"published","published":"2021-08-23T11:10:07Z","modified":"2024-08-03T19:35:20.202Z","cwes":["CWE-89"],"updated_at":"2026-11-02T14:33:05.331617Z"}],"euvd":[{"id":"EUVD-2021-11464","description":"The Simple Events Calendar WordPress plugin through 1.4.0 does not sanitise, validate or escape the event_id POST parameter before using it in a SQL statement when deleting events, leading to an authenticated SQL injection issue","status":"published","published":"2021-08-23T11:10:07Z","modified":"2024-08-03T19:35:20Z","updated_at":"2026-11-03T03:24:56.857735Z"}],"ghsa":[{"id":"GHSA-9cm5-927x-hwm7","title":"The Simple Events Calendar WordPress plugin through 1.4.0 does not sanitise, validate or escape...","description":"The Simple Events Calendar WordPress plugin through 1.4.0 does not sanitise, validate or escape the event_id POST parameter before using it in a SQL statement when deleting events, leading to an authenticated SQL injection issue","status":"published","published":"2022-05-24T19:11:55Z","modified":"2023-01-30T05:01:37Z","cwes":["CWE-89"],"updated_at":"2026-11-02T14:46:26.905827Z"}],"nvd":[{"id":"CVE-2021-24552","description":"The Simple Events Calendar WordPress plugin through 1.4.0 does not sanitise, validate or escape the event_id POST parameter before using it in a SQL statement when deleting events, leading to an authenticated SQL injection issue","status":"published","published":"2021-08-23T12:15:09.737Z","modified":"2026-06-17T03:40:13.453Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/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"],"updated_at":"2026-11-02T14:06:57.318236Z"}]}}