{"id":"CVE-2021-24574","aliases":["EUVD-2021-11486","GHSA-jx5c-5jv3-g74m"],"status":"published","title":"Simple Banner \u003c 2.10.4 - Authenticated Stored XSS","description":"The Simple Banner WordPress plugin before 2.10.4 does not sanitise and escape one of its settings, allowing high privilege users such as admin to use Cross-Site Scripting payload 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":"2026-11-11","score":0.00676,"percentile":0.52677,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-08-23T11:10:18Z","modified":"2026-06-17T03:40:15Z","products":[{"vendor":"simple_banner_project","product":"simple_banner"},{"vendor":"unknown","product":"simple banner"}],"references":[{"url":"https://wpscan.com/vulnerability/9adf7022-5108-43b7-bf0e-a42593185b74","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://plugins.trac.wordpress.org/changeset/2571047/","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24574"},{"url":"https://github.com/advisories/GHSA-jx5c-5jv3-g74m"}],"sources":{"cve":[{"id":"CVE-2021-24574","title":"Simple Banner \u003c 2.10.4 - Authenticated Stored XSS","description":"The Simple Banner WordPress plugin before 2.10.4 does not sanitise and escape one of its settings, allowing high privilege users such as admin to use Cross-Site Scripting payload even when the unfiltered_html capability is disallowed.","status":"published","published":"2021-08-23T11:10:18Z","modified":"2024-08-03T19:35:20.295Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:04.679189Z"}],"euvd":[{"id":"EUVD-2021-11486","description":"The Simple Banner WordPress plugin before 2.10.4 does not sanitise and escape one of its settings, allowing high privilege users such as admin to use Cross-Site Scripting payload even when the unfiltered_html capability is disallowed.","status":"published","published":"2021-08-23T11:10:18Z","modified":"2024-08-03T19:35:20Z","updated_at":"2026-11-03T03:24:56.857735Z"}],"ghsa":[{"id":"GHSA-jx5c-5jv3-g74m","title":"The Simple Banner WordPress plugin before 2.10.4 does not sanitise and escape one of its settings...","description":"The Simple Banner WordPress plugin before 2.10.4 does not sanitise and escape one of its settings, allowing high privilege users such as admin to use Cross-Site Scripting payload even when the unfiltered_html capability is disallowed.","status":"published","published":"2022-05-24T19:11:54Z","modified":"2023-01-30T05:01:36Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:26.905827Z"}],"nvd":[{"id":"CVE-2021-24574","description":"The Simple Banner WordPress plugin before 2.10.4 does not sanitise and escape one of its settings, allowing high privilege users such as admin to use Cross-Site Scripting payload even when the unfiltered_html capability is disallowed.","status":"published","published":"2021-08-23T12:15:10.417Z","modified":"2026-06-17T03:40:15.883Z","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":"2026-11-02T14:06:57.318236Z"}]}}