{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-7062", "assignerOrgId": "23637b5d-af4c-4cf9-b8f6-deb7fd0f8423", "state": "PUBLISHED", "assignerShortName": "SCHUTZWERK", "dateReserved": "2025-07-04T06:13:06.914Z", "datePublished": "2026-09-09T06:14:22.143Z", "dateUpdated": "2026-09-22T19:06:34.604Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unknown", "modules": ["Import of H5P modules"], "packageName": "h5p-nodejs-library", "product": "h5p-nodejs-library", "programFiles": ["packages/h5p-server/src/H5PEditor.ts"], "repo": "https://github.com/Lumieducation/H5P-Nodejs-library", "vendor": "Lumi Education UG", "versions": [{"lessThan": "10.0.4", "status": "affected", "version": "0", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Florian Schmid of SCHUTZWERK GmbH"}], "datePublic": "2026-09-09T06:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<div>A stored cross-site scripting (XSS) vulnerability has been identified in the H5P module `h5p-nodejs-library` by Lumi Education UG in versions up to and including 10.0.4. The library allows users to upload H5P content that contains malicious JavaScript. This code is then executed in the browsers of other users who view the affected H5P content.<br><br></div>"}], "value": "A stored cross-site scripting (XSS) vulnerability has been identified in the H5P module `h5p-nodejs-library` by Lumi Education UG in versions up to and including 10.0.4. The library allows users to upload H5P content that contains malicious JavaScript. 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Version 10.0.4 removes the SVG file extension from the default content allowlist, but it still identifies permitted files by their filename extension alone. An attacker can therefore upload a file with malicious JavaScript content under an allowed extension, such as XML, and have it executed.</span></span></div><div><span><span><br></span></span></div><div><span><span>Until a complete fix is available, operators should not rely on extension-based filtering alone. Uploaded files should be va</span>li<span>d</span>at<span>ed and sanitized based on their actual content rather than their filename. For SVG uploads specifically, the library's </span><span><span>[</span></span><span><span>SVG file sanitization</span></span><span><span>](</span></span><span><span>https://github.com/Lumieducation/H5P-Nodejs-library/blob/v10.0.4/docs/packages/h5p-svg-sanitizer.md</span></span><span><span>)</span></span><span> can be enabled, which</span> uses <span>DOMPurify to remove malicious script content from uploaded file</span>s.</span></div>"}], "value": "At the time of publication, no release fully prevents the upload and execution of files that contain JavaScript. Version 10.0.4 removes the SVG file extension from the default content allowlist, but it still identifies permitted files by their filename extension alone. An attacker can therefore upload a file with malicious JavaScript content under an allowed extension, such as XML, and have it executed.\n\n\n\n\nUntil a complete fix is available, operators should not rely on extension-based filtering alone. 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Received a commitment that an updated version including a fix should be ready within a few weeks"}, {"lang": "en", "time": "2025-09-23T19:21:00.000Z", "value": "Exchange with the developer on details of the fix"}, {"lang": "en", "time": "2025-09-24T12:18:00.000Z", "value": "Exchange with the developer on details of the fix"}, {"lang": "en", "time": "2025-10-20T08:32:00.000Z", "value": "Requested a status update on the patch from the developer. No response received."}, {"lang": "en", "time": "2025-11-14T07:45:00.000Z", "value": "Requested a status update on the patch from the developer. No response received."}, {"lang": "en", "time": "2025-11-20T16:17:00.000Z", "value": "Requested a status update on the patch from the developer. No response received."}, {"lang": "en", "time": "2025-11-26T12:42:00.000Z", "value": "Informed the business contact about the current status and recommended measures for the framework developers to implement. Publication delayed for undisclosed reasons."}, {"lang": "en", "time": "2026-09-09T10:00:00.000Z", "value": "Advisory released"}], "title": "Stored Cross-Site Scripting via file upload in H5P module (h5p-nodejs-library) of Lumi Education", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-7062", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-09T20:30:55.655255Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-09T20:51:32.652Z"}}, {"title": "CVE Program Container", "references": [{"url": "http://seclists.org/fulldisclosure/2026/Sep/41"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-09-22T19:06:34.604Z"}}]}}

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For SVG uploads specifically, the library's [SVG file sanitization](https://github.com/Lumieducation/H5P-Nodejs-library/blob/v10.0.4/docs/packages/h5p-svg-sanitizer.md) can be enabled, which uses DOMPurify to remove malicious script content from uploaded files.", "supportingMedia": [{"type": "text/html", "value": "<div><span><span>At the time of publication, no release fully prevents the upload and execution of files that contain JavaScript. Version 10.0.4 removes the SVG file extension from the default content allowlist, but it still identifies permitted files by their filename extension alone. An attacker can therefore upload a file with malicious JavaScript content under an allowed extension, such as XML, and have it executed.</span></span></div><div><span><span><br></span></span></div><div><span><span>Until a complete fix is available, operators should not rely on extension-based filtering alone. Uploaded files should be va</span>li<span>d</span>at<span>ed and sanitized based on their actual content rather than their filename. For SVG uploads specifically, the library's </span><span><span>[</span></span><span><span>SVG file sanitization</span></span><span><span>](</span></span><span><span>https://github.com/Lumieducation/H5P-Nodejs-library/blob/v10.0.4/docs/packages/h5p-svg-sanitizer.md</span></span><span><span>)</span></span><span> can be enabled, which</span> uses <span>DOMPurify to remove malicious script content from uploaded file</span>s.</span></div>", "base64": false}]}], "datePublic": "2026-09-09T06:00:00.000Z", "references": [{"url": "https://www.schutzwerk.com/en/blog/schutzwerk-sa-2024-007/"}, {"url": "https://github.com/Lumieducation/H5P-Nodejs-library/releases/tag/v10.0.4", "tags": ["patch"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "A stored cross-site scripting (XSS) vulnerability has been identified in the H5P module `h5p-nodejs-library` by Lumi Education UG in versions up to and including 10.0.4. The library allows users to upload H5P content that contains malicious JavaScript. This code is then executed in the browsers of other users who view the affected H5P content.", "supportingMedia": [{"type": "text/html", "value": "<div>A stored cross-site scripting (XSS) vulnerability has been identified in the H5P module `h5p-nodejs-library` by Lumi Education UG in versions up to and including 10.0.4. The library allows users to upload H5P content that contains malicious JavaScript. This code is then executed in the browsers of other users who view the affected H5P content.<br><br></div>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-20", "description": "CWE-20 Improper Input Validation"}]}], "providerMetadata": {"orgId": "23637b5d-af4c-4cf9-b8f6-deb7fd0f8423", "shortName": "SCHUTZWERK", "dateUpdated": "2026-09-09T06:14:22.143Z"}}}, "cveMetadata": {"cveId": "CVE-2025-7062", "state": "PUBLISHED", "dateUpdated": "2026-09-22T19:06:34.604Z", "dateReserved": "2025-07-04T06:13:06.914Z", "assignerOrgId": "23637b5d-af4c-4cf9-b8f6-deb7fd0f8423", "datePublished": "2026-09-09T06:14:22.143Z", "assignerShortName": "SCHUTZWERK"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unknown", "modules": ["Import of H5P modules"], "packageName": "h5p-nodejs-library", "product": "h5p-nodejs-library", "programFiles": ["packages/h5p-server/src/H5PEditor.ts"], "repo": "https://github.com/Lumieducation/H5P-Nodejs-library", "vendor": "Lumi Education UG", "versions": [{"lessThan": "10.0.4", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "23637b5d-af4c-4cf9-b8f6-deb7fd0f8423"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A stored cross-site scripting (XSS) vulnerability has been identified in the H5P module `h5p-nodejs-library` by Lumi Education UG in versions up to and including 10.0.4. The library allows users to upload H5P content that contains malicious JavaScript. This code is then executed in the browsers of other users who view the affected H5P content."}, {"lang": "es", "value": "Una vulnerabilidad de Cross-site Scripting (XSS) almacenada ha sido identificada en el m\u00f3dulo H5P \u2019h5p-nodejs-library\u2019 de Lumi Education UG en versiones hasta e incluyendo 10.0.4. La biblioteca permite a los usuarios subir contenido H5P que contiene JavaScript malicioso. Este c\u00f3digo se ejecuta en los navegadores de otros usuarios que visualizan el contenido H5P afectado."}], "id": "CVE-2025-7062", "lastModified": "2026-10-19T22:10:00.130", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.2, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:L/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "23637b5d-af4c-4cf9-b8f6-deb7fd0f8423", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-7062", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-09T20:30:55.655255Z", "version": "2.0.3"}}]}, "published": "2026-09-09T07:16:55.180", "references": [{"source": "23637b5d-af4c-4cf9-b8f6-deb7fd0f8423", "url": "https://github.com/Lumieducation/H5P-Nodejs-library/releases/tag/v10.0.4"}, {"source": "23637b5d-af4c-4cf9-b8f6-deb7fd0f8423", "url": "https://www.schutzwerk.com/en/blog/schutzwerk-sa-2024-007/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2026/Sep/41"}], "sourceIdentifier": "23637b5d-af4c-4cf9-b8f6-deb7fd0f8423", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-79"}], "source": "23637b5d-af4c-4cf9-b8f6-deb7fd0f8423", "type": "Secondary"}]}

{}