CVE-2021-20103

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{"affected": [{"affectedData": [{"product": "AppNitro Machform", "vendor": "n/a", "versions": [{"status": "affected", "version": "All versions prior to version 16"}]}], "source": "vulnreport@tenable.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:machform:machform:*:*:*:*:*:*:*:*", "matchCriteriaId": "DD08E317-54C3-4F04-A8AE-98C9FB7C8D45", "versionEndExcluding": "16", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Machform prior to version 16 is vulnerable to stored cross-site scripting due to insufficient sanitization of file attachments uploaded with forms through upload.php."}, {"lang": "es", "value": "Machform anterior a versi\u00f3n 16, es vulnerable a un ataque de tipo cross-site scripting almacenado debido a un saneamiento insuficiente de los archivos adjuntos cargados con los formularios mediante el archivo upload.php"}], "id": "CVE-2021-20103", "lastModified": "2026-06-17T03:33:16.577", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-06-29T16:15:08.180", "references": [{"source": "vulnreport@tenable.com", "url": "https://www.tenable.com/security/research/tra-2021-25%2Chttps://www.machform.com/blog-machform-16-released/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.tenable.com/security/research/tra-2021-25%2Chttps://www.machform.com/blog-machform-16-released/"}], "sourceIdentifier": "vulnreport@tenable.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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