{"api_version":"1","generated_at":"2026-08-27T03:54:34+00:00","cve":"CVE-2026-47666","urls":{"html":"https://cve.report/CVE-2026-47666","api":"https://cve.report/api/cve/CVE-2026-47666.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-47666","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-47666"},"summary":{"title":"Penpot: Stored XSS via custom font family name injected into a @font-face style rule","description":"Penpot is an open-source design and prototyping platform. In versions up to and including 2.14.3, Penpot is vulnerable to stored cross-site scripting through custom font family names, which are interpolated into a @font-face CSS rule and injected into the page as HTML without sanitization. Because the backend accepts an arbitrary font-family string and the frontend writes the resulting style through innerHTML, a name containing markup such as a closing style tag followed by a script can break out of the style element and execute JavaScript on the Penpot origin. The attack is passive: any team member who opens a file referencing the malicious font triggers script execution simply by rendering the page, allowing theft of session cookies, actions performed as the victim, and access to their files and projects. 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This issue is fixed in version 2.15.3."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.6,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-08-26T22:47:49.788Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"name":"https://github.com/penpot/penpot/security/advisories/GHSA-w5hh-gj5c-5wpc","tags":["x_refsource_CONFIRM"],"url":"https://github.com/penpot/penpot/security/advisories/GHSA-w5hh-gj5c-5wpc"},{"name":"https://github.com/penpot/penpot/commit/67d95679711da538b3b22a873bcb6c197104dc0c","tags":["x_refsource_MISC"],"url":"https://github.com/penpot/penpot/commit/67d95679711da538b3b22a873bcb6c197104dc0c"}],"source":{"advisory":"GHSA-w5hh-gj5c-5wpc","discovery":"UNKNOWN"},"title":"Penpot: Stored XSS via custom font family name injected into a @font-face style rule"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2026-47666","datePublished":"2026-08-26T22:47:49.788Z","dateReserved":"2026-05-19T21:10:38.797Z","dateUpdated":"2026-08-26T22:47:49.788Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-26 23:17:13","lastModifiedDate":"2026-08-26 23:17:13","problem_types":["CWE-79","CWE-79 CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N","baseScore":7.6,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.3,"impactScore":4.7}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"47666","Ordinal":"1","Title":"Penpot: Stored XSS via custom font family name injected into a @","CVE":"CVE-2026-47666","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"47666","Ordinal":"1","NoteData":"Penpot is an open-source design and prototyping platform. 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