{"id":"CVE-2021-24587","aliases":["EUVD-2021-11499","GHSA-vm9v-hfwf-qw4q"],"status":"published","title":"Splash Header \u003c 1.20.8 - Authenticated Stored Cross-Site Scripting (XSS)","description":"The Splash Header WordPress plugin before 1.20.8 doesn't sanitise and escape some of its settings while outputting them in the admin dashboard, leading to an authenticated Stored Cross-Site Scripting issue.","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":"2026-11-12","score":0.0062,"percentile":0.50224,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-09-20T10:06:24Z","modified":"2026-06-17T03:40:17Z","products":[{"vendor":"unknown","product":"splash header"},{"vendor":"zeesweb","product":"splash_header"}],"references":[{"url":"https://wpscan.com/vulnerability/bb5d94ad-e1ce-44e2-8403-d73fe75a146a","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24587"},{"url":"https://github.com/advisories/GHSA-vm9v-hfwf-qw4q"}],"sources":{"cve":[{"id":"CVE-2021-24587","title":"Splash Header \u003c 1.20.8 - Authenticated Stored Cross-Site Scripting (XSS)","description":"The Splash Header WordPress plugin before 1.20.8 doesn't sanitise and escape some of its settings while outputting them in the admin dashboard, leading to an authenticated Stored Cross-Site Scripting issue.","status":"published","published":"2021-09-20T10:06:24Z","modified":"2024-08-03T19:35:20.318Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.000797Z"}],"euvd":[{"id":"EUVD-2021-11499","description":"The Splash Header WordPress plugin before 1.20.8 doesn't sanitise and escape some of its settings while outputting them in the admin dashboard, leading to an authenticated Stored Cross-Site Scripting issue.","status":"published","published":"2021-09-20T10:06:24Z","modified":"2024-08-03T19:35:20Z","updated_at":"2026-11-03T03:24:56.857735Z"}],"ghsa":[{"id":"GHSA-vm9v-hfwf-qw4q","title":"The Splash Header WordPress plugin before 1.20.8 doesn't sanitise and escape some of its settings...","description":"The Splash Header WordPress plugin before 1.20.8 doesn't sanitise and escape some of its settings while outputting them in the admin dashboard, leading to an authenticated Stored Cross-Site Scripting issue.","status":"published","published":"2022-05-24T19:15:19Z","modified":"2023-01-30T05:02:11Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:35.225326Z"}],"nvd":[{"id":"CVE-2021-24587","description":"The Splash Header WordPress plugin before 1.20.8 doesn't sanitise and escape some of its settings while outputting them in the admin dashboard, leading to an authenticated Stored Cross-Site Scripting issue.","status":"published","published":"2021-09-20T10:15:08.68Z","modified":"2026-06-17T03:40:17.2Z","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":"2026-11-02T14:06:58.933037Z"}]}}