{"api_version":"1","generated_at":"2026-08-24T19:43:09+00:00","cve":"CVE-2026-15413","urls":{"html":"https://cve.report/CVE-2026-15413","api":"https://cve.report/api/cve/CVE-2026-15413.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-15413","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-15413"},"summary":{"title":"Link Factory - Backdoor","description":"The Link Factory WordPress plugin is a backdoor. Distributed as a \"homepage sentence publisher\", it exposes an operator-controlled REST API under /wp-json/link-factory/v1/ - authenticated by a detached Ed25519 signature verified against a hardcoded operator public key (except for the health check).","state":"PUBLISHED","assigner":"WPScan","published_at":"2026-08-13 09:17:12","updated_at":"2026-08-13 15:19:32"},"problem_types":["CWE-912","CWE-912 Hidden Functionality","CWE-912 CWE-912 Hidden Functionality"],"metrics":[{"version":"3.1","source":"contact@wpscan.com","type":"Secondary","score":"10","severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","baseScore":10,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"10","severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","data":{"baseScore":10,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://wpscan.com/vulnerability/4cad269d-0146-4ca9-a1ae-55f02c8e5433/","name":"https://wpscan.com/vulnerability/4cad269d-0146-4ca9-a1ae-55f02c8e5433/","refsource":"contact@wpscan.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-15413","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15413","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Unknown","product":"Link Factory","version":"affected * custom","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Erwan LR (WPScan)","lang":"en"},{"source":"CNA","value":"WPScan","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"15413","cve":"CVE-2026-15413","epss":"0.002900000","percentile":"0.213860000","score_date":"2026-08-14","updated_at":"2026-08-15 00:04:44"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-15413","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-08-13T14:22:26.270784Z","version":"2.0.3"},"type":"ssvc"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-912","description":"CWE-912 Hidden Functionality","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-08-13T14:23:20.581Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unknown","product":"Link Factory","vendor":"Unknown","versions":[{"lessThanOrEqual":"*","status":"affected","version":"0","versionType":"custom"}]}],"credits":[{"lang":"en","type":"finder","value":"Erwan LR (WPScan)"},{"lang":"en","type":"coordinator","value":"WPScan"}],"descriptions":[{"lang":"en","value":"The Link Factory WordPress plugin is a backdoor. Distributed as a \"homepage sentence publisher\", it exposes an operator-controlled REST API under /wp-json/link-factory/v1/ - authenticated by a detached Ed25519 signature verified against a hardcoded operator public key (except for the health check)."}],"metrics":[{"cvssV3_1":{"baseScore":10,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"description":"CWE-912 Hidden Functionality","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-08-13T08:13:11.894Z","orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","shortName":"WPScan"},"references":[{"tags":["exploit","vdb-entry","technical-description"],"url":"https://wpscan.com/vulnerability/4cad269d-0146-4ca9-a1ae-55f02c8e5433/"}],"source":{"discovery":"INTERNAL"},"title":"Link Factory - Backdoor","x_generator":{"engine":"WPScan CVE Generator"}}},"cveMetadata":{"assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","assignerShortName":"WPScan","cveId":"CVE-2026-15413","datePublished":"2026-08-13T08:13:11.894Z","dateReserved":"2026-07-10T14:18:17.713Z","dateUpdated":"2026-08-13T14:23:20.581Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-13 09:17:12","lastModifiedDate":"2026-08-13 15:19:32","problem_types":["CWE-912","CWE-912 Hidden Functionality","CWE-912 CWE-912 Hidden Functionality"],"metrics":{"cvssMetricV31":[{"source":"contact@wpscan.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","baseScore":10,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-13T14:22:26.270784Z","id":"CVE-2026-15413","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"15413","Ordinal":"1","Title":"Link Factory - Backdoor","CVE":"CVE-2026-15413","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"15413","Ordinal":"1","NoteData":"The Link Factory WordPress plugin is a backdoor. Distributed as a \"homepage sentence publisher\", it exposes an operator-controlled REST API under /wp-json/link-factory/v1/ - authenticated by a detached Ed25519 signature verified against a hardcoded operator public key (except for the health check).","Type":"Description","Title":"Link Factory - Backdoor"}]}}}