{"id":"CVE-2018-18872","aliases":["EUVD-2018-10583","GHSA-3g88-qmx9-g9vc"],"status":"published","title":"The Kieran O'Shea Calendar plugin before 1.3.11 for WordPress has Stored XSS via the event_title...","description":"The Kieran O'Shea Calendar plugin before 1.3.11 for WordPress has Stored XSS via the event_title parameter in a wp-admin/admin.php?page=calendar add action, or the category name during category creation at the wp-admin/admin.php?page=calendar-categories URI.","severity":{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00716,"percentile":0.54049,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2019-05-13T13:04:19Z","modified":"2026-06-17T01:48:03Z","products":[{"vendor":"kieranoshea","product":"calendar"}],"references":[{"url":"https://wpvulndb.com/vulnerabilities/9141","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-18872"},{"url":"https://github.com/advisories/GHSA-3g88-qmx9-g9vc"}],"sources":{"cve":[{"id":"CVE-2018-18872","description":"The Kieran O'Shea Calendar plugin before 1.3.11 for WordPress has Stored XSS via the event_title parameter in a wp-admin/admin.php?page=calendar add action, or the category name during category creation at the wp-admin/admin.php?page=calendar-categories URI.","status":"published","published":"2019-05-13T13:04:19Z","modified":"2024-08-05T11:23:08.443Z","updated_at":"2026-11-02T14:35:11.799349Z"}],"euvd":[{"id":"EUVD-2018-10583","description":"The Kieran O'Shea Calendar plugin before 1.3.11 for WordPress has Stored XSS via the event_title parameter in a wp-admin/admin.php?page=calendar add action, or the category name during category creation at the wp-admin/admin.php?page=calendar-categories URI.","status":"published","published":"2019-05-13T13:04:19Z","modified":"2024-08-05T11:23:08Z","updated_at":"2026-11-03T02:39:34.768254Z"}],"ghsa":[{"id":"GHSA-3g88-qmx9-g9vc","title":"The Kieran O'Shea Calendar plugin before 1.3.11 for WordPress has Stored XSS via the event_title...","description":"The Kieran O'Shea Calendar plugin before 1.3.11 for WordPress has Stored XSS via the event_title parameter in a wp-admin/admin.php?page=calendar add action, or the category name during category creation at the wp-admin/admin.php?page=calendar-categories URI.","status":"published","published":"2022-05-24T21:59:49Z","modified":"2023-01-30T05:04:13Z","updated_at":"2026-11-02T14:46:59.889535Z"}],"nvd":[{"id":"CVE-2018-18872","description":"The Kieran O'Shea Calendar plugin before 1.3.11 for WordPress has Stored XSS via the event_title parameter in a wp-admin/admin.php?page=calendar add action, or the category name during category creation at the wp-admin/admin.php?page=calendar-categories URI.","status":"published","published":"2019-05-13T14:29:00.91Z","modified":"2026-06-17T01:48:03.33Z","cvss":[{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:04:57.307075Z"}]}}