{"id":"CVE-2021-24685","aliases":["EUVD-2021-11597","GHSA-3mcq-mff7-29h7"],"status":"published","title":"Flat Preloader \u003c 1.5.4 - CSRF to Stored Cross-Site Scripting","description":"The Flat Preloader WordPress plugin before 1.5.4 does not enforce nonce checks when saving its settings, as well as does not sanitise and escape them, which could allow attackers to a make logged in admin change them with a Cross-Site Scripting payload (triggered either in the frontend or backend depending on the payload)","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00507,"percentile":0.43747,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352","CWE-79"],"published":"2021-11-01T08:46:06Z","modified":"2026-06-17T03:40:27Z","products":[{"vendor":"flat_preloader_project","product":"flat_preloader"},{"vendor":"unknown","product":"flat preloader"}],"references":[{"url":"https://wpscan.com/vulnerability/972ecde8-3d44-4dd9-81e3-643d8737434f","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24685"},{"url":"https://github.com/advisories/GHSA-3mcq-mff7-29h7"}],"sources":{"cve":[{"id":"CVE-2021-24685","title":"Flat Preloader \u003c 1.5.4 - CSRF to Stored Cross-Site Scripting","description":"The Flat Preloader WordPress plugin before 1.5.4 does not enforce nonce checks when saving its settings, as well as does not sanitise and escape them, which could allow attackers to a make logged in admin change them with a Cross-Site Scripting payload (triggered either in the frontend or backend depending on the payload)","status":"published","published":"2021-11-01T08:46:06Z","modified":"2024-08-03T19:42:15.987Z","cwes":["CWE-352","CWE-79"],"updated_at":"2026-11-02T14:33:05.000797Z"}],"euvd":[{"id":"EUVD-2021-11597","description":"The Flat Preloader WordPress plugin before 1.5.4 does not enforce nonce checks when saving its settings, as well as does not sanitise and escape them, which could allow attackers to a make logged in admin change them with a Cross-Site Scripting payload (triggered either in the frontend or backend depending on the payload)","status":"published","published":"2021-11-01T08:46:06Z","modified":"2024-08-03T19:42:15Z","updated_at":"2026-11-03T03:24:56.31224Z"}],"ghsa":[{"id":"GHSA-3mcq-mff7-29h7","title":"The Flat Preloader WordPress plugin before 1.5.4 does not enforce nonce checks when saving its...","description":"The Flat Preloader WordPress plugin before 1.5.4 does not enforce nonce checks when saving its settings, as well as does not sanitise and escape them, which could allow attackers to a make logged in admin change them with a Cross-Site Scripting payload (triggered either in the frontend or backend depending on the payload)","status":"published","published":"2022-05-24T19:19:20Z","modified":"2023-01-27T05:03:52Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:42:20.442744Z"}],"nvd":[{"id":"CVE-2021-24685","description":"The Flat Preloader WordPress plugin before 1.5.4 does not enforce nonce checks when saving its settings, as well as does not sanitise and escape them, which could allow attackers to a make logged in admin change them with a Cross-Site Scripting payload (triggered either in the frontend or backend depending on the payload)","status":"published","published":"2021-11-01T09:15:08.727Z","modified":"2026-06-17T03:40:27.187Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79","CWE-352"],"updated_at":"2026-11-02T14:07:00.549994Z"}]}}