{"id":"CVE-2021-24646","aliases":["EUVD-2021-11558","GHSA-4prq-v9h3-h5fr"],"status":"published","title":"Booking.com Banner Creator \u003c 1.4.3 - Admin+ Stored Cross-Site Scripting","description":"The Booking.com Banner Creator WordPress plugin before 1.4.3 does not properly sanitize inputs when creating banners, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00617,"percentile":0.4988,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-11-08T17:34:56Z","modified":"2026-06-17T03:40:23Z","products":[{"vendor":"bookingholdings","product":"booking.com_banner_creator"},{"vendor":"partnerships at booking.com","product":"booking.com banner creator"},{"vendor":"unknown","product":"booking.com banner creator"}],"references":[{"url":"https://wpscan.com/vulnerability/36aae14e-4bdf-4da6-a0f9-d71935105d45","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24646"},{"url":"https://github.com/advisories/GHSA-4prq-v9h3-h5fr"}],"sources":{"cve":[{"id":"CVE-2021-24646","title":"Booking.com Banner Creator \u003c 1.4.3 - Admin+ Stored Cross-Site Scripting","description":"The Booking.com Banner Creator WordPress plugin before 1.4.3 does not properly sanitize inputs when creating banners, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed","status":"published","published":"2021-11-08T17:34:56Z","modified":"2024-08-03T19:35:20.368Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:04.679189Z"}],"euvd":[{"id":"EUVD-2021-11558","description":"The Booking.com Banner Creator WordPress plugin before 1.4.3 does not properly sanitize inputs when creating banners, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed","status":"published","published":"2021-11-08T17:34:56Z","modified":"2024-08-03T19:35:20Z","updated_at":"2026-11-03T03:24:56.857735Z"}],"ghsa":[{"id":"GHSA-4prq-v9h3-h5fr","title":"The Booking.com Banner Creator WordPress plugin through 1.4.2 does not properly sanitize inputs...","description":"The Booking.com Banner Creator WordPress plugin through 1.4.2 does not properly sanitize inputs when creating banners, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed","status":"published","published":"2022-05-24T19:19:59Z","modified":"2023-01-30T05:03:18Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:49.034004Z"}],"nvd":[{"id":"CVE-2021-24646","description":"The Booking.com Banner Creator WordPress plugin before 1.4.3 does not properly sanitize inputs when creating banners, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed","status":"published","published":"2021-11-08T18:15:08.75Z","modified":"2026-06-17T03:40:23.14Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/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":"2026-11-02T14:07:00.984108Z"}]}}