{"affected":[{"affectedData":[{"product":"TCExam","vendor":"n/a","versions":[{"status":"affected","version":"14.8.1"}]}],"source":"vulnreport@tenable.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:tecnick:tcexam:*:*:*:*:*:*:*:*","matchCriteriaId":"07A60926-BE03-4797-86E1-AA2527E3D53B","versionEndIncluding":"14.8.1","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"A stored cross-site scripting vulnerability exists in TCExam <= 14.8.1. Valid files uploaded via tce_select_mediafile.php with a filename beggining with a period will be rendered as text/html. An attacker with access to tce_select_mediafile.php could upload a malicious javascript payload which would be triggered when another user views the file."},{"lang":"es","value":"Se presenta una vulnerabilidad de tipo cross-site scripting almacenada en TCExam versiones anteriores a 14.8.1 incluyéndola. Unos archivos válidos cargados por medio del archivo tce_select_mediafile.php con un nombre de archivo que comience por un punto será renderizado como text/html. Un atacante con acceso a tce_select_mediafile.php podría cargar una carga útil javascript malicioso que se desencadenaría cuando otro usuario visualice el archivo"}],"id":"CVE-2021-20112","lastModified":"2026-06-17T03:33:17.543","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"LOW","cvssData":{"accessComplexity":"MEDIUM","accessVector":"NETWORK","authentication":"SINGLE","availabilityImpact":"NONE","baseScore":3.5,"confidentialityImpact":"NONE","integrityImpact":"PARTIAL","vectorString":"AV:N/AC:M/Au:S/C:N/I:P/A:N","version":"2.0"},"exploitabilityScore":6.8,"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":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"exploitabilityScore":2.3,"impactScore":2.7,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-07-30T14:15:14.317","references":[{"source":"vulnreport@tenable.com","tags":["Exploit","Third Party Advisory"],"url":"https://www.tenable.com/security/research/tra-2021-32"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"],"url":"https://www.tenable.com/security/research/tra-2021-32"}],"sourceIdentifier":"vulnreport@tenable.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-79"}],"source":"nvd@nist.gov","type":"Primary"}]}