{"id":"CVE-2021-24326","aliases":["EUVD-2021-11239","GHSA-8fv5-7m8g-42cx"],"status":"published","title":"All 404 Redirect to Homepage \u003c 1.21 - Authenticated Reflected Cross-Site Scripting (XSS)","description":"The tab parameter of the settings page of the All 404 Redirect to Homepage WordPress plugin before 1.21 was vulnerable to an authenticated reflected Cross-Site Scripting (XSS) issue as user input was not properly sanitised before being output in an attribute.","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":0.0062,"percentile":0.49998,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-05-17T16:48:54Z","modified":"2026-06-17T03:39:50Z","products":[{"vendor":"clogica","product":"all_404_redirect_to_homepage"},{"vendor":"unknown","product":"all 404 redirect to homepage"}],"references":[{"url":"https://wpscan.com/vulnerability/63d6ca03-e0df-40db-9839-531c13619094","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24326"},{"url":"https://github.com/advisories/GHSA-8fv5-7m8g-42cx"}],"sources":{"cve":[{"id":"CVE-2021-24326","title":"All 404 Redirect to Homepage \u003c 1.21 - Authenticated Reflected Cross-Site Scripting (XSS)","description":"The tab parameter of the settings page of the All 404 Redirect to Homepage WordPress plugin before 1.21 was vulnerable to an authenticated reflected Cross-Site Scripting (XSS) issue as user input was not properly sanitised before being output in an attribute.","status":"published","published":"2021-05-17T16:48:54Z","modified":"2024-08-03T19:28:23.408Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.000797Z"}],"euvd":[{"id":"EUVD-2021-11239","description":"The tab parameter of the settings page of the All 404 Redirect to Homepage WordPress plugin before 1.21 was vulnerable to an authenticated reflected Cross-Site Scripting (XSS) issue as user input was not properly sanitised before being output in an attribute.","status":"published","published":"2021-05-17T16:48:54Z","modified":"2024-08-03T19:28:23Z","updated_at":"2026-11-03T03:24:58.504484Z"}],"ghsa":[{"id":"GHSA-8fv5-7m8g-42cx","title":"The tab parameter of the settings page of the All 404 Redirect to Homepage WordPress plugin...","description":"The tab parameter of the settings page of the All 404 Redirect to Homepage WordPress plugin before 1.21 was vulnerable to an authenticated reflected Cross-Site Scripting (XSS) issue as user input was not properly sanitised before being output in an attribute.","status":"published","published":"2022-05-24T19:02:36Z","modified":"2023-01-29T05:07:39Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:10.663769Z"}],"nvd":[{"id":"CVE-2021-24326","description":"The tab parameter of the settings page of the All 404 Redirect to Homepage WordPress plugin before 1.21 was vulnerable to an authenticated reflected Cross-Site Scripting (XSS) issue as user input was not properly sanitised before being output in an attribute.","status":"published","published":"2021-05-17T17:15:08.5Z","modified":"2026-06-17T03:39:50.223Z","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":"2026-11-02T14:06:53.343329Z"}]}}