{"api_version":"1","generated_at":"2026-07-24T20:00:52+00:00","cve":"CVE-2021-24307","urls":{"html":"https://cve.report/CVE-2021-24307","api":"https://cve.report/api/cve/CVE-2021-24307.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-24307","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-24307"},"summary":{"title":"CVE-2021-24307","description":"The All in One SEO – Best WordPress SEO Plugin – Easily Improve Your SEO Rankings before 4.1.0.2 enables authenticated users with \"aioseo_tools_settings\" privilege (most of the time admin) to execute arbitrary code on the underlying host. Users can restore plugin's configuration by uploading a backup .ini file in the section \"Tool > Import/Export\". However, the plugin attempts to unserialize values of the .ini file. Moreover, the plugin embeds Monolog library which can be used to craft a gadget chain and thus trigger system command execution.","state":"PUBLIC","assigner":"contact@wpscan.com","published_at":"2021-05-24 11:15:00","updated_at":"2022-05-03 13:05:00"},"problem_types":["CWE-502"],"metrics":[],"references":[{"url":"https://wpscan.com/vulnerability/ab2c94d2-f6c4-418b-bd14-711ed164bcf1","name":"https://wpscan.com/vulnerability/ab2c94d2-f6c4-418b-bd14-711ed164bcf1","refsource":"CONFIRM","tags":[],"title":"Attention Required! | Cloudflare","mime":"text/html","httpstatus":"403","archivestatus":"404"},{"url":"https://aioseo.com/changelog/","name":"https://aioseo.com/changelog/","refsource":"MISC","tags":[],"title":"AIOSEO Changelog - AIOSEO","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-24307","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24307","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"LEGACY","value":"Vincent MICHEL","lang":""}],"nvd_cpes":[{"cve_year":"2021","cve_id":"24307","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"aioseo","cpe5":"all_in_one_seo","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"wordpress","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ID":"CVE-2021-24307","ASSIGNER":"contact@wpscan.com","STATE":"PUBLIC","TITLE":"All in One SEO Pack <  4.1.0.2 - Admin RCE via unserialize"},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","generator":"WPScan CVE Generator","affects":{"vendor":{"vendor_data":[{"vendor_name":"All in One SEO Team","product":{"product_data":[{"product_name":"All in One SEO – Best WordPress SEO Plugin – Easily Improve Your SEO Rankings","version":{"version_data":[{"version_affected":"<","version_name":"4.1.0.2","version_value":"4.1.0.2"}]}}]}}]}},"description":{"description_data":[{"lang":"eng","value":"The All in One SEO – Best WordPress SEO Plugin – Easily Improve Your SEO Rankings before 4.1.0.2 enables authenticated users with \"aioseo_tools_settings\" privilege (most of the time admin) to execute arbitrary code on the underlying host. Users can restore plugin's configuration by uploading a backup .ini file in the section \"Tool > Import/Export\". However, the plugin attempts to unserialize values of the .ini file. Moreover, the plugin embeds Monolog library which can be used to craft a gadget chain and thus trigger system command execution."}]},"references":{"reference_data":[{"refsource":"CONFIRM","url":"https://wpscan.com/vulnerability/ab2c94d2-f6c4-418b-bd14-711ed164bcf1","name":"https://wpscan.com/vulnerability/ab2c94d2-f6c4-418b-bd14-711ed164bcf1"},{"refsource":"MISC","url":"https://aioseo.com/changelog/","name":"https://aioseo.com/changelog/"}]},"problemtype":{"problemtype_data":[{"description":[{"value":"CWE-502 Deserialization of Untrusted Data","lang":"eng"}]}]},"credit":[{"lang":"eng","value":"Vincent MICHEL"}],"source":{"discovery":"UNKNOWN"}},"nvd":{"publishedDate":"2021-05-24 11:15:00","lastModifiedDate":"2022-05-03 13:05:00","problem_types":["CWE-502"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:C/I:C/A:C","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE","baseScore":9},"severity":"HIGH","exploitabilityScore":8,"impactScore":10,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:aioseo:all_in_one_seo:*:*:*:*:*:wordpress:*:*","versionEndExcluding":"4.1.0.2","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"24307","Ordinal":"199069","Title":"CVE-2021-24307","CVE":"CVE-2021-24307","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"24307","Ordinal":"1","NoteData":"The All in One SEO – Best WordPress SEO Plugin – Easily Improve Your SEO Rankings before 4.1.0.2 enables authenticated users with \"aioseo_tools_settings\" privilege (most of the time admin) to execute arbitrary code on the underlying host. Users can restore plugin's configuration by uploading a backup .ini file in the section \"Tool > Import/Export\". However, the plugin attempts to unserialize values of the .ini file. Moreover, the plugin embeds Monolog library which can be used to craft a gadget chain and thus trigger system command execution.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"24307","Ordinal":"2","NoteData":"2021-05-24","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"24307","Ordinal":"3","NoteData":"2021-05-24","Type":"Other","Title":"Modified"}]}}}