{"id":"CVE-2021-24286","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-24286","generatedAt":"2026-10-28T04:17:55.014Z","title":"The settings page of the Redirect 404 to parent WordPress plugin before 1.3.1 did not properly sanitise the tab parameter before outputting it back, leading to a reflected Cross-Site Scripting issue","description":"The settings page of the Redirect 404 to parent WordPress plugin before 1.3.1 did not properly sanitise the tab parameter before outputting it back, leading to a reflected Cross-Site Scripting issue","published":"2021-05-14T12:15:08.000Z","lastModified":"2026-06-17T03:39:46.000Z","status":"Modified","sourceIdentifier":"contact@wpscan.com","cvss":{"version":"3.1","score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-79"],"affected":["mooveagency/redirect 404 to parent"],"epss":{"score":0.12662,"percentile":0.96232,"date":"2026-10-27","history":[{"date":"2026-10-19","score":0.12662,"percentile":0.96223}]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2021-09-29","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":50350,"kind":"exploit","title":"WordPress Plugin Redirect 404 to Parent 1.3.0 - Reflected Cross-Site Scripting","url":"https://www.exploit-db.com/exploits/50350","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/50350.txt","file":"exploits/php/webapps/50350.txt","published":"2021-09-29","added":"2021-09-29","updated":"2021-10-22","author":"0xB9","type":"webapps","platform":"php","port":null,"verified":false,"codes":["CVE-2021-24286"],"tags":null,"aliases":null,"applicationUrl":"http://www.exploit-db.comredirect-404-to-parent.1.3.0.zip","screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 12.7%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/164328/WordPress-Redirect-404-To-Parent-1.3.0-Cross-Site-Scripting.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"contact@wpscan.com"},{"url":"https://wpscan.com/vulnerability/b9a535f3-cb0b-46fe-b345-da3462584e27","tags":["Exploit","Third Party Advisory"],"source":"contact@wpscan.com"},{"url":"http://packetstormsecurity.com/files/164328/WordPress-Redirect-404-To-Parent-1.3.0-Cross-Site-Scripting.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://wpscan.com/vulnerability/b9a535f3-cb0b-46fe-b345-da3462584e27","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-24286","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}