{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-67187","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-07-28T16:06:49.773Z","datePublished":"2026-10-28T15:19:16.649Z","dateUpdated":"2026-10-28T15:19:16.649Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-10-28T15:19:16.649Z"},"title":"Ninja Forms WordPress Plugin < 3.15.4 Server-Side Validation Bypass via List Fields","descriptions":[{"lang":"en","value":"Ninja Forms plugin for WordPress before 3.15.4 contains an incomplete server-side validation vulnerability that allows unauthenticated attackers to submit arbitrary values to Checkbox List, Multi-Select List, Image List, Country, and State fields because NF_Abstracts_List falls through to a validate() method that only checks required-field presence. Attackers can submit crafted formula payloads through the unauthenticated nf_ajax_submit endpoint that bypass CSV escaping applied only to Textbox and Textarea fields, resulting in CSV injection when an administrator downloads and opens the exported submissions file."}],"tags":["x_open-source"],"datePublic":"2026-09-21T00:00:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","description":"Improper Neutralization of Formula Elements in a CSV File","cweId":"CWE-1236","type":"CWE"}]}],"affected":[{"defaultStatus":"unaffected","vendor":"Saturday Drive","product":"Ninja Forms","versions":[{"status":"affected","version":"0","versionType":"semver","lessThan":"3.15.4"}]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"ACTIVE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","subIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"LOW","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":"MEDIUM","baseScore":5.1,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW","version":"3.1","baseSeverity":"HIGH","baseScore":7.1,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L"}}],"references":[{"url":"https://wordpress.org/plugins/ninja-forms/#developers","name":"WordPress Plugin Changelog","tags":["release-notes","patch"]},{"url":"https://www.vulncheck.com/advisories/ninja-forms-wordpress-plugin-server-side-validation-bypass-via-list-fields","name":"VulnCheck Advisory: Ninja Forms WordPress Plugin < 3.15.4 Server-Side Validation Bypass via List Fields","tags":["third-party-advisory"]}],"credits":[{"lang":"en","value":"Choriyev Qahramon (ciprobe)","type":"finder"}],"x_generator":{"engine":"vulncheck"}}}}