{"id":"CVE-2021-24243","aliases":["EUVD-2021-11157","GHSA-q5g9-jf88-x4g8"],"status":"published","title":"WPBakery Page Builder Clipboard \u003c 4.5.6 - Subscriber+ Stored Cross-Site Scripting (XSS)","description":"An AJAX action registered by the WPBakery Page Builder (Visual Composer) Clipboard WordPress plugin before 4.5.6 did not have capability checks nor sanitization, allowing low privilege users (subscriber+) to call it and set XSS payloads, which will be triggered in all backend pages.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00703,"percentile":0.53559,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-05-05T18:39:42Z","modified":"2026-06-17T03:39:41Z","products":[{"vendor":"bitorbit","product":"wpbakery page builder (visual composer) clipboard"},{"vendor":"wpbakery_page_builder_clipboard_project","product":"wpbakery_page_builder_clipboard"}],"references":[{"url":"https://wpscan.com/vulnerability/3bc0733a-b949-40c9-a5fb-f56814fc4af3","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://codecanyon.net/item/visual-composer-clipboard/8897711","tags":["x_refsource_MISC","x_transferred","Product","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24243"},{"url":"https://github.com/advisories/GHSA-q5g9-jf88-x4g8"}],"sources":{"cve":[{"id":"CVE-2021-24243","title":"WPBakery Page Builder Clipboard \u003c 4.5.6 - Subscriber+ Stored Cross-Site Scripting (XSS)","description":"An AJAX action registered by the WPBakery Page Builder (Visual Composer) Clipboard WordPress plugin before 4.5.6 did not have capability checks nor sanitization, allowing low privilege users (subscriber+) to call it and set XSS payloads, which will be triggered in all backend pages.","status":"published","published":"2021-05-05T18:39:42Z","modified":"2024-08-03T19:21:18.708Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:04.679189Z"}],"euvd":[{"id":"EUVD-2021-11157","description":"An AJAX action registered by the WPBakery Page Builder (Visual Composer) Clipboard WordPress plugin before 4.5.6 did not have capability checks nor sanitization, allowing low privilege users (subscriber+) to call it and set XSS payloads, which will be triggered in all backend pages.","status":"published","published":"2021-05-05T18:39:42Z","modified":"2024-08-03T19:21:18Z","updated_at":"2026-11-03T03:24:58.504484Z"}],"ghsa":[{"id":"GHSA-q5g9-jf88-x4g8","title":"An AJAX action registered by the WPBakery Page Builder (Visual Composer) Clipboard WordPress...","description":"An AJAX action registered by the WPBakery Page Builder (Visual Composer) Clipboard WordPress plugin before 4.5.6 did not have capability checks nor sanitization, allowing low privilege users (subscriber+) to call it and set XSS payloads, which will be triggered in all backend pages.","status":"published","published":"2022-05-24T19:01:32Z","modified":"2023-01-29T05:06:37Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:03.953317Z"}],"nvd":[{"id":"CVE-2021-24243","description":"An AJAX action registered by the WPBakery Page Builder (Visual Composer) Clipboard WordPress plugin before 4.5.6 did not have capability checks nor sanitization, allowing low privilege users (subscriber+) to call it and set XSS payloads, which will be triggered in all backend pages.","status":"published","published":"2021-05-06T13:15:11.463Z","modified":"2026-06-17T03:39:41.643Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/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":"2026-11-02T14:06:52.81233Z"}]}}