{"id":"CVE-2021-24876","aliases":["EUVD-2021-11788","GHSA-j464-8gjj-h5jc"],"status":"published","title":"Registrations for The Events Calendar \u003c 2.7.5 - Reflected Cross-Site Scripting","description":"The Registrations for the Events Calendar WordPress plugin before 2.7.5 does not escape the v parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01438,"percentile":0.73368,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-11-29T08:25:43Z","modified":"2026-06-17T03:41:03Z","exploits":[{"source":"nuclei","id":"CVE-2021-24876","title":"Registrations for The Events Calendar \u003c 2.7.5 - Authenticated Reflected Cross-Site Scripting","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24876.yaml"}],"products":[{"vendor":"roundupwp","product":"registrations_for_the_events_calendar"},{"vendor":"unknown","product":"registrations for the events calendar – event registration plugin"}],"references":[{"url":"https://wpscan.com/vulnerability/e77c2493-993d-418d-9629-a1f07b5a2b6f","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24876"},{"url":"https://github.com/advisories/GHSA-j464-8gjj-h5jc"}],"sources":{"cve":[{"id":"CVE-2021-24876","title":"Registrations for The Events Calendar \u003c 2.7.5 - Reflected Cross-Site Scripting","description":"The Registrations for the Events Calendar WordPress plugin before 2.7.5 does not escape the v parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting","status":"published","published":"2021-11-29T08:25:43Z","modified":"2024-08-03T19:49:13.511Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.000797Z"}],"euvd":[{"id":"EUVD-2021-11788","description":"The Registrations for the Events Calendar WordPress plugin before 2.7.5 does not escape the v parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting","status":"published","published":"2021-11-29T08:25:43Z","modified":"2024-08-03T19:49:13Z","updated_at":"2026-11-03T03:24:55.415131Z"}],"ghsa":[{"id":"GHSA-j464-8gjj-h5jc","title":"The Registrations for the Events Calendar WordPress plugin before 2.7.5 does not escape the v...","description":"The Registrations for the Events Calendar WordPress plugin before 2.7.5 does not escape the v parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting","status":"published","published":"2021-11-30T00:00:50Z","modified":"2023-02-01T05:06:25Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:50:21.264393Z"}],"nvd":[{"id":"CVE-2021-24876","description":"The Registrations for the Events Calendar WordPress plugin before 2.7.5 does not escape the v parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting","status":"published","published":"2021-11-29T09:15:07.69Z","modified":"2026-06-17T03:41:03.82Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:01.811115Z"}]}}