{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T14:50:53.723","vulnerabilities":[{"cve":{"id":"CVE-2021-4405","sourceIdentifier":"security@wordfence.com","published":"2023-07-01T06:15:10.380","lastModified":"2026-04-08T18:17:19.723","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"The ElasticPress plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.5.3. This is due to missing or incorrect nonce validation on the epio_send_autosuggest_allowed() function. This makes it possible for unauthenticated attackers to send allowed parameters for autosuggest to elasticpress[.]io 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 ElasticPress para WordPress es vulnerable a ataques de tipo Cross-Site Request Forgery (CSRF) en versiones hasta la 3.5.3 inclusive. Esto es debido a la falta o incorrecta validación nonce en la función \"epio_send_autosuggest_allowed()\". Esto hace posible que los atacantes no autenticados envíen parámetros permitidos para \"autosuggest\" a \"elasticpress.io\" a través de una solicitud manipulada concedida y puedan engañar a un administrador del sitio para realizar un acción como hacer clic en un enlace. "}],"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}]},"weaknesses":[{"source":"security@wordfence.com","type":"Primary","description":[{"lang":"en","value":"CWE-352"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:10up:elasticpress:*:*:*:*:*:wordpress:*:*","versionEndIncluding":"3.5.3","matchCriteriaId":"6E580BE4-08AD-408C-A058-8C7C7BD8AFAC"}]}]}],"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":["Third Party Advisory"]},{"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":["Not Applicable"]},{"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/2473455/elasticpress/trunk/includes/classes/Feature/Autosuggest/Autosuggest.php","source":"security@wordfence.com","tags":["Patch"]},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/8ab8eb9d-1427-4e99-8986-179147e0862e?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":["Third Party Advisory"]},{"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":["Not Applicable"]},{"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/2473455/elasticpress/trunk/includes/classes/Feature/Autosuggest/Autosuggest.php","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/8ab8eb9d-1427-4e99-8986-179147e0862e?source=cve","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}