{"id":"CVE-2023-4620","aliases":["EUVD-2023-54473","GHSA-j6vq-hjmf-4p85"],"status":"published","title":"Booking Calendar \u003c 9.7.3.1 - Unauthenticated Stored XSS","description":"The Booking Calendar WordPress plugin before 9.7.3.1 does not sanitize and escape some of its booking from data, allowing unauthenticated users to perform Stored Cross-Site Scripting attacks against administrators","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":"2026-11-09","score":0.00556,"percentile":0.46674,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-10-16T08:32:45Z","modified":"2026-06-17T06:38:14Z","products":[{"vendor":"unknown","product":"booking calendar"},{"vendor":"wpbookingcalendar","product":"booking_calendar"},{"vendor":"wpdevelop","product":"booking calendar"}],"references":[{"url":"https://wpscan.com/vulnerability/084e9494-2f9e-4420-9bf7-78a1a41433d7","tags":["exploit","vdb-entry","technical-description","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4620"},{"url":"https://github.com/advisories/GHSA-j6vq-hjmf-4p85"}],"sources":{"cve":[{"id":"CVE-2023-4620","title":"Booking Calendar \u003c 9.7.3.1 - Unauthenticated Stored XSS","description":"The Booking Calendar WordPress plugin before 9.7.3.1 does not sanitize and escape some of its booking from data, allowing unauthenticated users to perform Stored Cross-Site Scripting attacks against administrators","status":"published","published":"2023-10-16T08:32:45.562Z","modified":"2025-05-02T17:39:12.953Z","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":"adp"}],"updated_at":"2026-11-02T14:35:30.851125Z"}],"euvd":[{"id":"EUVD-2023-54473","description":"The Booking Calendar WordPress plugin before 9.7.3.1 does not sanitize and escape some of its booking from data, allowing unauthenticated users to perform Stored Cross-Site Scripting attacks against administrators","status":"published","published":"2023-10-16T08:32:45Z","modified":"2025-05-02T17:39:12Z","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"}],"updated_at":"2026-11-02T20:51:55.85045Z"}],"ghsa":[{"id":"GHSA-j6vq-hjmf-4p85","title":"The Booking Calendar WordPress plugin before 9.7.3.1 does not sanitize and escape some of its...","description":"The Booking Calendar WordPress plugin before 9.7.3.1 does not sanitize and escape some of its booking from data, allowing unauthenticated users to perform Stored Cross-Site Scripting attacks against administrators","status":"published","published":"2023-10-16T09:30:19Z","modified":"2024-04-04T08:40:09Z","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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:57:00.19255Z"}],"nvd":[{"id":"CVE-2023-4620","description":"The Booking Calendar WordPress plugin before 9.7.3.1 does not sanitize and escape some of its booking from data, allowing unauthenticated users to perform Stored Cross-Site Scripting attacks against administrators","status":"published","published":"2023-10-16T09:15:11.627Z","modified":"2026-06-17T06:38:14.163Z","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":"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":"secondary"}],"updated_at":"2026-11-02T14:08:37.83429Z"}]}}