{"id":"CVE-2021-42549","aliases":["EUVD-2021-29518","GHSA-vvwh-jqqq-8v6c"],"status":"published","title":"reflected XSS in search functionality of WP Cloud Plugins - Lets-Box","description":"Insufficient Input Validation in the search functionality of Wordpress plugin Lets-Box prior to 1.15.3 allows unauthenticated user to craft a reflected Cross-Site Scripting attack.","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00753,"percentile":0.5538,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-12-13T10:54:34Z","modified":"2026-06-17T04:09:48Z","products":[{"vendor":"wp cloud plugins","product":"lets-box"},{"vendor":"wpcloudplugins","product":"lets-box"}],"references":[{"url":"https://www.wpcloudplugins.com/wp-content/plugins/lets-box/_documentation/index.html#releasenotes","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42549"},{"url":"https://github.com/advisories/GHSA-vvwh-jqqq-8v6c"}],"sources":{"cve":[{"id":"CVE-2021-42549","title":"reflected XSS in search functionality of WP Cloud Plugins - Lets-Box","description":"Insufficient Input Validation in the search functionality of Wordpress plugin Lets-Box prior to 1.15.3 allows unauthenticated user to craft a reflected Cross-Site Scripting attack.","status":"published","published":"2021-12-13T10:54:34Z","modified":"2024-08-04T03:38:49.191Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-29518","description":"Insufficient Input Validation in the search functionality of Wordpress plugin Lets-Box prior to 1.15.3 allows unauthenticated user to craft a reflected Cross-Site Scripting attack.","status":"published","published":"2021-12-13T10:54:34Z","modified":"2024-08-04T03:38:49Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T03:24:15.755984Z"}],"ghsa":[{"id":"GHSA-vvwh-jqqq-8v6c","title":"Insufficient Input Validation in the search functionality of Wordpress plugin Lets-Box prior to 1...","description":"Insufficient Input Validation in the search functionality of Wordpress plugin Lets-Box prior to 1.15.3 allows unauthenticated user to craft a reflected Cross-Site Scripting attack.","status":"published","published":"2021-12-14T00:00:52Z","modified":"2023-02-01T05:06:50Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:50:25.548742Z"}],"nvd":[{"id":"CVE-2021-42549","description":"Insufficient Input Validation in the search functionality of Wordpress plugin Lets-Box prior to 1.15.3 allows unauthenticated user to craft a reflected Cross-Site Scripting attack.","status":"published","published":"2021-12-13T11:15:10.13Z","modified":"2026-06-17T04:09:48.557Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N","level":"medium","assessor":"secondary"},{"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":"2026-11-02T14:07:02.189991Z"}]}}