{"affected":[{"affectedData":[{"product":"ledgersmb/ledgersmb","vendor":"ledgersmb","versions":[{"status":"unaffected","version":"1.7.33"},{"lessThan":"1.8.18","status":"affected","version":"unspecified","versionType":"custom"}]}],"source":"security@huntr.dev"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*","matchCriteriaId":"0EA19A56-9AD1-4EA9-B020-1930106FD308","versionEndIncluding":"1.5.30","versionStartIncluding":"1.5.0","vulnerable":true},{"criteria":"cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*","matchCriteriaId":"C08AEF10-7BF9-4EEC-B7C1-F233FACEDE7F","versionEndIncluding":"1.6.33","versionStartIncluding":"1.6.0","vulnerable":true},{"criteria":"cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*","matchCriteriaId":"720FC128-BEE5-4D7C-86B8-438159E36475","versionEndIncluding":"1.7.32","versionStartIncluding":"1.7.0","vulnerable":true},{"criteria":"cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*","matchCriteriaId":"D4CE19F9-DE00-481E-AA8D-0EDD0B139E9B","versionEndIncluding":"1.8.17","versionStartIncluding":"1.8.0","vulnerable":true}],"negate":false,"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","matchCriteriaId":"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73","vulnerable":true},{"criteria":"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*","matchCriteriaId":"FA6FEEC2-9F11-4643-8827-749718254FED","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"LedgerSMB does not check the origin of HTML fragments merged into the browser's DOM. By sending a specially crafted URL to an authenticated user, this flaw can be abused for remote code execution and information disclosure."},{"lang":"es","value":"LedgerSMB, no comprueba el origen de los fragmentos de HTML fusionados en el DOM del navegador. Mediante el envío de una URL especialmente diseñada a un usuario autenticado, este fallo puede ser abusado para una ejecución de código remota  y una divulgación de información."}],"id":"CVE-2021-3693","lastModified":"2026-06-17T04:05:34.427","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"MEDIUM","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":6.8,"confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:P","version":"2.0"},"exploitabilityScore":8.6,"impactScore":6.4,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":true}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":2.8,"impactScore":5.9,"source":"security@huntr.dev","type":"Secondary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.6,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":2.8,"impactScore":6.0,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-08-23T13:15:07.720","references":[{"source":"security@huntr.dev","tags":["Third Party Advisory"],"url":"https://huntr.dev/bounties/daf1384d-648a-43fd-9b35-5c37d8ead667"},{"source":"security@huntr.dev","tags":["Patch","Vendor Advisory"],"url":"https://ledgersmb.org/cve-2021-3693-cross-site-scripting"},{"source":"security@huntr.dev","tags":["Third Party Advisory"],"url":"https://www.debian.org/security/2021/dsa-4962"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://huntr.dev/bounties/daf1384d-648a-43fd-9b35-5c37d8ead667"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"],"url":"https://ledgersmb.org/cve-2021-3693-cross-site-scripting"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://www.debian.org/security/2021/dsa-4962"}],"sourceIdentifier":"security@huntr.dev","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-79"}],"source":"security@huntr.dev","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-79"}],"source":"nvd@nist.gov","type":"Primary"}]}