{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-26T18:28:47.116","vulnerabilities":[{"cve":{"id":"CVE-2021-4403","sourceIdentifier":"security@wordfence.com","published":"2023-07-01T06:15:10.210","lastModified":"2026-06-17T04:19:41.187","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"The Remove Schema plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.5. This is due to missing or incorrect nonce validation on the validate() function. This makes it possible for unauthenticated attackers to modify the plugins settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link."},{"lang":"es","value":"El plugin Remove Schema para WordPress es vulnerable a ataques de tipo Cross-Site Request Forgery (CSRF) en versiones hasta la 1.5 inclusive. Esto es debido a la falta o incorrecta validación nonce en la función \"validate()\". Esto hace posible que atacantes no autenticados modifiquen la configuración del plugin a través de una solicitud manipulada concedida y puedan engañar a un administrador del sitio para realizar una acción como hacer clic en un enlace. "}],"affected":[{"source":"security@wordfence.com","affectedData":[{"vendor":"timvaniersel","product":"Remove Schema","defaultStatus":"unaffected","versions":[{"version":"0","lessThanOrEqual":"1.5","versionType":"semver","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security@wordfence.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","baseScore":4.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2024-10-25T13:05:29.712016Z","id":"CVE-2021-4403","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security@wordfence.com","type":"Secondary","description":[{"lang":"en","value":"CWE-352"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:websitescanner:remove_schema:*:*:*:*:*:wordpress:*:*","versionEndIncluding":"1.5","matchCriteriaId":"7E90D771-1066-4961-8778-E0EBD3C5B40C"}]}]}],"references":[{"url":"https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/","source":"security@wordfence.com","tags":["Not Applicable"]},{"url":"https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/","source":"security@wordfence.com","tags":["Not Applicable"]},{"url":"https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/","source":"security@wordfence.com","tags":["Not Applicable"]},{"url":"https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/","source":"security@wordfence.com","tags":["Not Applicable"]},{"url":"https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/","source":"security@wordfence.com","tags":["Third Party Advisory"]},{"url":"https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/","source":"security@wordfence.com","tags":["Not Applicable"]},{"url":"https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/","source":"security@wordfence.com","tags":["Not Applicable"]},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2548575%40remove-schema&new=2548575%40remove-schema&sfp_email=&sfph_mail=","source":"security@wordfence.com","tags":["Patch"]},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/89635463-966d-4f7d-995d-ad83a502d95b?source=cve","source":"security@wordfence.com","tags":["Third Party Advisory"]},{"url":"https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Not Applicable"]},{"url":"https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Not Applicable"]},{"url":"https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Not Applicable"]},{"url":"https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Not Applicable"]},{"url":"https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Not Applicable"]},{"url":"https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Not Applicable"]},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2548575%40remove-schema&new=2548575%40remove-schema&sfp_email=&sfph_mail=","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/89635463-966d-4f7d-995d-ad83a502d95b?source=cve","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}