{"id":"CVE-2026-104471","state":"PUBLISHED","title":"YesWiki before 4.6.7 Unrestricted File Upload via Bazar CSV Import","description":"YesWiki before 4.6.7 contains an unrestricted file upload vulnerability that allows authenticated admins to write remote files into the web-accessible files/ directory via Bazar CSV import preview. Attackers can import a CSV whose file or image field references a remote .php URL, which is saved without extension checks and executed as server-side code.","publishedAt":"2026-10-02T11:38:36.035Z","updatedAt":"2026-10-02T13:43:17.948Z","severity":{"score":8.6,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["YesWiki yeswiki"],"affected":[{"vendor":"YesWiki","product":"yeswiki","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.6.7","versionType":"semver"},{"version":"4.6.7","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/YesWiki/yeswiki/security/advisories/GHSA-v3gq-c7c6-mxw3","https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-unrestricted-file-upload-via-bazar-csv-import"],"weaknesses":["CWE-434"],"ingestedAt":"2026-10-29T20:10:23.711Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/104xxx/CVE-2026-104471.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-104471","state":"PUBLISHED","datePublished":"2026-10-02T11:38:36.035Z","dateUpdated":"2026-10-02T13:43:17.948Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-02T00:55:58.387Z"},"containers":{"cna":{"title":"YesWiki before 4.6.7 Unrestricted File Upload via Bazar CSV Import","descriptions":[{"lang":"en","value":"YesWiki before 4.6.7 contains an unrestricted file upload vulnerability that allows authenticated admins to write remote files into the web-accessible files/ directory via Bazar CSV import preview. Attackers can import a CSV whose file or image field references a remote .php URL, which is saved without extension checks and executed as server-side code."}],"affected":[{"vendor":"YesWiki","product":"yeswiki","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.6.7","versionType":"semver"},{"version":"4.6.7","status":"unaffected","versionType":"semver"}]}],"references":[{"url":"https://github.com/YesWiki/yeswiki/security/advisories/GHSA-v3gq-c7c6-mxw3","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-v3gq-c7c6-mxw3)"},{"url":"https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-unrestricted-file-upload-via-bazar-csv-import","name":"VulnCheck Advisory: YesWiki before 4.6.7 Unrestricted File Upload via Bazar CSV Import","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.6,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":7.2,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-434","lang":"en","description":"Unrestricted Upload of File with Dangerous Type","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-02T11:38:36.035Z"},"datePublic":"2026-09-01T00:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:yeswiki:yeswiki:*:*:*:*:*:*:*:*","versionEndExcluding":"4.6.7"}]}]}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/YesWiki/yeswiki/security/advisories/GHSA-v3gq-c7c6-mxw3","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-02T13:42:51.998929Z","id":"CVE-2026-104471","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-02T13:43:17.948Z"}}]}}}