{"id":"CVE-2022-51021","state":"PUBLISHED","title":"NotificationX WordPress Plugin < 2.3.12 Unauthenticated SQL Injection via notification REST endpoint","description":"NotificationX plugin for WordPress 2.0.0 before 2.3.12 contains an unauthenticated SQL injection vulnerability that allows remote attackers to manipulate database queries by supplying an array-form 'id' parameter to /wp-json/notificationx/v1/notification/{id}. Attackers can pass id[1] with crafted SQL, such as time-based SLEEP payloads, along with an api_key derived from md5(home_url()), which flows unsanitized into Database::get_where_query to extract database contents. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-18.","publishedAt":"2026-10-22T10:57:32.517Z","updatedAt":"2026-10-23T21:15:37.175Z","severity":{"score":8.8,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["WPDeveloper NotificationX"],"affected":[{"vendor":"WPDeveloper","product":"NotificationX","defaultStatus":"unaffected","versions":[{"version":"2.0.0","status":"affected","lessThan":"2.3.12","versionType":"custom"}]}],"references":["https://wpscan.com/vulnerability/d1480717-726d-4be2-95cb-1007a3f010bb","https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/wordpress/notificationx-sqli.yaml","https://wordpress.org/plugins/notificationx/","https://www.vulncheck.com/advisories/notificationx-wordpress-plugin-2.3.12-unauthenticated-sql-injection-via-notification-rest-endpoint"],"weaknesses":["CWE-89"],"ingestedAt":"2026-10-29T20:05:36.141Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/51xxx/CVE-2022-51021.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-51021","state":"PUBLISHED","datePublished":"2026-10-22T10:57:32.517Z","dateUpdated":"2026-10-23T21:15:37.175Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-14T20:25:29.946Z"},"containers":{"cna":{"title":"NotificationX WordPress Plugin < 2.3.12 Unauthenticated SQL Injection via notification REST endpoint","descriptions":[{"lang":"en","value":"NotificationX plugin for WordPress 2.0.0 before 2.3.12 contains an unauthenticated SQL injection vulnerability that allows remote attackers to manipulate database queries by supplying an array-form 'id' parameter to /wp-json/notificationx/v1/notification/{id}. Attackers can pass id[1] with crafted SQL, such as time-based SLEEP payloads, along with an api_key derived from md5(home_url()), which flows unsanitized into Database::get_where_query to extract database contents. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-18."}],"affected":[{"vendor":"WPDeveloper","product":"NotificationX","defaultStatus":"unaffected","versions":[{"version":"2.0.0","status":"affected","lessThan":"2.3.12","versionType":"custom"}]}],"references":[{"url":"https://wpscan.com/vulnerability/d1480717-726d-4be2-95cb-1007a3f010bb","name":"WPScan d1480717","tags":["third-party-advisory"]},{"url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/wordpress/notificationx-sqli.yaml","name":"Nuclei Template","tags":["technical-description"]},{"url":"https://wordpress.org/plugins/notificationx/","name":"WordPress Download Page","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/notificationx-wordpress-plugin-2.3.12-unauthenticated-sql-injection-via-notification-rest-endpoint","name":"VulnCheck Advisory: NotificationX WordPress Plugin < 2.3.12 Unauthenticated SQL Injection via notification REST endpoint","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":8.8,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"LOW","availabilityImpact":"NONE","version":"3.1","baseSeverity":"HIGH","baseScore":8.2,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-89","lang":"en","description":"Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-22T10:57:32.517Z"},"datePublic":"2022-02-28T00:00:00.000Z","tags":["x_known-exploited-vulnerability"],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:wpdeveloper:notificationx:*:*:*:*:*:wordpress:*:*","versionStartIncluding":"2.0.0","versionEndExcluding":"2.3.12"}]}]}],"credits":[{"lang":"en","value":"mikemyers","type":"finder"},{"lang":"en","value":"The Shadowserver Foundation","type":"reporter"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"vulncheck-kclub"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-23T17:32:53.359523Z","id":"CVE-2022-51021","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-23T21:15:37.175Z"}}]}}}