CVE-2026-53468

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53468", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-09T16:31:21.496Z", "datePublished": "2026-08-21T21:16:07.987Z", "dateUpdated": "2026-08-24T19:38:32.055Z"}, "containers": {"cna": {"title": "Typemill has Stored HTML Attribute Injection in Metadata Fields", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/typemill/typemill/security/advisories/GHSA-wg6r-jwmr-p7gr", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/typemill/typemill/security/advisories/GHSA-wg6r-jwmr-p7gr"}, {"name": "https://github.com/typemill/typemill/releases/tag/v2.23.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/typemill/typemill/releases/tag/v2.23.0"}], "affected": [{"vendor": "typemill", "product": "typemill", "versions": [{"version": "< 2.23.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-21T21:16:07.987Z"}, "descriptions": [{"lang": "en", "value": "Typemill is a flat-file, Markdown-based content management system designed for informational documentation websites. Versions prior to 2.23.0 are vulnerable to stored HTML attribute injection in the page metadata fields (`og:title` and `og:description`). An authenticated user with permission to modify page metadata can inject arbitrary HTML attributes into generated `<meta>` tags due to missing output encoding. Under certain browser or DOM interaction scenarios, this may lead to stored cross-site scripting (XSS). Version 2.23.0 fixes the issue."}], "source": {"advisory": "GHSA-wg6r-jwmr-p7gr", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/typemill/typemill/security/advisories/GHSA-wg6r-jwmr-p7gr", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-24T19:38:07.139955Z", "id": "CVE-2026-53468", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-24T19:38:32.055Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-53468", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-24T19:38:07.139955Z"}}}], "references": [{"url": "https://github.com/typemill/typemill/security/advisories/GHSA-wg6r-jwmr-p7gr", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-24T19:38:24.309Z"}}], "cna": {"title": "Typemill has Stored HTML Attribute Injection in Metadata Fields", "source": {"advisory": "GHSA-wg6r-jwmr-p7gr", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.6, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}}], "affected": [{"vendor": "typemill", "product": "typemill", "versions": [{"status": "affected", "version": "< 2.23.0"}]}], "references": [{"url": "https://github.com/typemill/typemill/security/advisories/GHSA-wg6r-jwmr-p7gr", "name": "https://github.com/typemill/typemill/security/advisories/GHSA-wg6r-jwmr-p7gr", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/typemill/typemill/releases/tag/v2.23.0", "name": "https://github.com/typemill/typemill/releases/tag/v2.23.0", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Typemill is a flat-file, Markdown-based content management system designed for informational documentation websites. Versions prior to 2.23.0 are vulnerable to stored HTML attribute injection in the page metadata fields (`og:title` and `og:description`). An authenticated user with permission to modify page metadata can inject arbitrary HTML attributes into generated `<meta>` tags due to missing output encoding. Under certain browser or DOM interaction scenarios, this may lead to stored cross-site scripting (XSS). Version 2.23.0 fixes the issue."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-21T21:16:07.987Z"}}}, "cveMetadata": {"cveId": "CVE-2026-53468", "state": "PUBLISHED", "dateUpdated": "2026-08-24T19:38:32.055Z", "dateReserved": "2026-06-09T16:31:21.496Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-08-21T21:16:07.987Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "typemill", "vendor": "typemill", "versions": [{"status": "affected", "version": "< 2.23.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Typemill is a flat-file, Markdown-based content management system designed for informational documentation websites. Versions prior to 2.23.0 are vulnerable to stored HTML attribute injection in the page metadata fields (`og:title` and `og:description`). An authenticated user with permission to modify page metadata can inject arbitrary HTML attributes into generated `<meta>` tags due to missing output encoding. Under certain browser or DOM interaction scenarios, this may lead to stored cross-site scripting (XSS). Version 2.23.0 fixes the issue."}, {"lang": "es", "value": "Typemill es un sistema de gesti\u00f3n de contenido de archivo plano, basado en Markdown, dise\u00f1ado para sitios web de documentaci\u00f3n informativa. Las versiones anteriores a la 2.23.0 son vulnerables a la inyecci\u00f3n de atributos HTML almacenados en los campos de metadatos de la p\u00e1gina ('og:title' y 'og:description'). Un usuario autenticado con permiso para modificar los metadatos de la p\u00e1gina puede inyectar atributos HTML arbitrarios en las etiquetas '<meta>' generadas debido a la falta de codificaci\u00f3n de salida. Bajo ciertos escenarios de interacci\u00f3n del navegador o del DOM, esto puede conducir a cross-site scripting (XSS) almacenado. La versi\u00f3n 2.23.0 corrige el problema."}], "id": "CVE-2026-53468", "lastModified": "2026-10-14T19:10:00.297", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 2.5, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-53468", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-24T19:38:07.139955Z", "version": "2.0.3"}}]}, "published": "2026-08-21T22:16:38.570", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/typemill/typemill/releases/tag/v2.23.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/typemill/typemill/security/advisories/GHSA-wg6r-jwmr-p7gr"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/typemill/typemill/security/advisories/GHSA-wg6r-jwmr-p7gr"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.23.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "typemill", "source": "cna", "vendor": "typemill"}, "product": "typemill", "vendor": "typemill"}], "created": "2026-08-21T22:45:04.682897+00:00", "updated": "2026-08-21T23:15:04.919873+00:00", "vendors": ["typemill", "typemill$PRODUCT$typemill"]}