{"id":"CVE-2021-4338","aliases":["EUVD-2021-34165","GHSA-ph5r-wpp4-cgh6"],"status":"published","title":"404 to 301 \u003c= 3.0.7 - Missing Authorization to Redirect Creation","description":"The 404 to 301 plugin for WordPress is vulnerable to authorization bypass due to missing capability checks on the open_redirect \u0026 save_redirect functions in versions up to, and including, 3.0.7. This makes it possible for authenticated attackers to view, create and edit redirections.","severity":{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00617,"percentile":0.49846,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284","CWE-862"],"published":"2023-06-07T01:51:11Z","modified":"2026-06-17T04:19:32Z","products":[{"vendor":"duckdev","product":"404_to_301"},{"vendor":"joelcj91","product":"404 to 301 – redirect, log and notify 404 errors"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/05d6b27f-b1e5-4bb8-b7db-f8295a5e0d5b?source=cve","tags":["x_transferred","Third Party Advisory"]},{"url":"https://plugins.trac.wordpress.org/changeset/2546695/404-to-301","tags":["x_transferred","Patch"]},{"url":"https://blog.nintechnet.com/broken-access-control-vulnerability-fixed-in-wordpress-404-to-301-plugin/","tags":["x_transferred","Exploit"]},{"url":"https://wpscan.com/vulnerability/9f147107-bc5a-4a01-9979-cd9e16061f12","tags":["x_transferred","Third Party Advisory"]},{"url":"https://www.acunetix.com/vulnerabilities/web/wordpress-plugin-404-to-301-redirect-log-and-notify-404-errors-security-bypass-3-0-7/","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-4338"},{"url":"https://blog.nintechnet.com/broken-access-control-vulnerability-fixed-in-wordpress-404-to-301-plugin"},{"url":"https://www.acunetix.com/vulnerabilities/web/wordpress-plugin-404-to-301-redirect-log-and-notify-404-errors-security-bypass-3-0-7"},{"url":"https://github.com/advisories/GHSA-ph5r-wpp4-cgh6"}],"sources":{"cve":[{"id":"CVE-2021-4338","title":"404 to 301 \u003c= 3.0.7 - Missing Authorization to Redirect Creation","description":"The 404 to 301 plugin for WordPress is vulnerable to authorization bypass due to missing capability checks on the open_redirect \u0026 save_redirect functions in versions up to, and including, 3.0.7. This makes it possible for authenticated attackers to view, create and edit redirections.","status":"published","published":"2023-06-07T01:51:11.349Z","modified":"2026-04-08T16:33:30.671Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:33:08.045407Z"}],"euvd":[{"id":"EUVD-2021-34165","description":"The 404 to 301 plugin for WordPress is vulnerable to authorization bypass due to missing capability checks on the open_redirect \u0026 save_redirect functions in versions up to, and including, 3.0.7. This makes it possible for authenticated attackers to view, create and edit redirections.","status":"published","published":"2023-06-07T01:51:11Z","modified":"2026-04-08T16:33:30Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:25:11.239745Z"}],"ghsa":[{"id":"GHSA-ph5r-wpp4-cgh6","title":"The 404 to 301 plugin for WordPress is vulnerable to authorization bypass due to missing...","description":"The 404 to 301 plugin for WordPress is vulnerable to authorization bypass due to missing capability checks on the open_redirect \u0026 save_redirect functions in versions up to, and including, 3.0.7. This makes it possible for authenticated attackers to view, create and edit redirections.","status":"published","published":"2023-06-07T03:30:22Z","modified":"2024-04-04T04:37:55Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-284","CWE-862"],"updated_at":"2026-11-02T14:56:25.511354Z"}],"nvd":[{"id":"CVE-2021-4338","description":"The 404 to 301 plugin for WordPress is vulnerable to authorization bypass due to missing capability checks on the open_redirect \u0026 save_redirect functions in versions up to, and including, 3.0.7. This makes it possible for authenticated attackers to view, create and edit redirections.","status":"published","published":"2023-06-07T02:15:12.937Z","modified":"2026-06-17T04:19:32.15Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"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"}],"cwes":["CWE-284","CWE-862"],"updated_at":"2026-11-02T14:07:07.764332Z"}]}}