{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-28445", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-02-27T15:54:05.140Z", "datePublished": "2026-05-22T16:12:17.529Z", "dateUpdated": "2026-05-22T17:52:34.728Z"}, "containers": {"cna": {"title": "Typebot: Stored XSS via Rating Block Custom Icon Bypasses isUnsafe Sandbox in Builder Preview", "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": 8.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/baptisteArno/typebot.io/security/advisories/GHSA-6m7c-xfhp-p9fh", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/baptisteArno/typebot.io/security/advisories/GHSA-6m7c-xfhp-p9fh"}, {"name": "https://github.com/baptisteArno/typebot.io/commit/474ecbf46bc47a75265bada2599f12b2179de375", "tags": ["x_refsource_MISC"], "url": "https://github.com/baptisteArno/typebot.io/commit/474ecbf46bc47a75265bada2599f12b2179de375"}, {"name": "https://github.com/baptisteArno/typebot.io/releases/tag/v3.16.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/baptisteArno/typebot.io/releases/tag/v3.16.0"}], "affected": [{"vendor": "baptisteArno", "product": "typebot.io", "versions": [{"version": "< 3.16.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-22T16:12:17.529Z"}, "descriptions": [{"lang": "en", "value": "Typebot is a chatbot builder tool. In versions 3.15.2 and prior, the RatingButton component in the embed package renders the user-controlled customIcon.svg field directly via Solid's innerHTML directive without any sanitization, even though DOMPurify is already a dependency and is used elsewhere in the codebase (e.g., StreamingBubble.tsx). Because rating blocks are not flagged as isUnsafe by the import sanitizer and the builder preview renders bots inline on the builder's own origin (builder.typebot.io) under a CSP permitting 'unsafe-inline', a malicious imported or collaborator-crafted typebot can execute arbitrary HTML/JS in the builder's authenticated context, bypassing the Web Worker sandbox that protects Script blocks during preview. This allows session hijacking and privilege escalation within the builder application. This issue has been fixed in version 3.16.0."}], "source": {"advisory": "GHSA-6m7c-xfhp-p9fh", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/baptisteArno/typebot.io/security/advisories/GHSA-6m7c-xfhp-p9fh", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-22T17:51:54.519643Z", "id": "CVE-2026-28445", "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": "2026-05-22T17:52:34.728Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-28445", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-22T17:51:54.519643Z"}}}], "references": [{"url": "https://github.com/baptisteArno/typebot.io/security/advisories/GHSA-6m7c-xfhp-p9fh", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-22T17:50:24.741Z"}}], "cna": {"title": "Typebot: Stored XSS via Rating Block Custom Icon Bypasses isUnsafe Sandbox in Builder Preview", "source": {"advisory": "GHSA-6m7c-xfhp-p9fh", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.7, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "baptisteArno", "product": "typebot.io", "versions": [{"status": "affected", "version": "< 3.16.0"}]}], "references": [{"url": "https://github.com/baptisteArno/typebot.io/security/advisories/GHSA-6m7c-xfhp-p9fh", "name": "https://github.com/baptisteArno/typebot.io/security/advisories/GHSA-6m7c-xfhp-p9fh", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/baptisteArno/typebot.io/commit/474ecbf46bc47a75265bada2599f12b2179de375", "name": "https://github.com/baptisteArno/typebot.io/commit/474ecbf46bc47a75265bada2599f12b2179de375", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/baptisteArno/typebot.io/releases/tag/v3.16.0", "name": "https://github.com/baptisteArno/typebot.io/releases/tag/v3.16.0", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Typebot is a chatbot builder tool. In versions 3.15.2 and prior, the RatingButton component in the embed package renders the user-controlled customIcon.svg field directly via Solid's innerHTML directive without any sanitization, even though DOMPurify is already a dependency and is used elsewhere in the codebase (e.g., StreamingBubble.tsx). Because rating blocks are not flagged as isUnsafe by the import sanitizer and the builder preview renders bots inline on the builder's own origin (builder.typebot.io) under a CSP permitting 'unsafe-inline', a malicious imported or collaborator-crafted typebot can execute arbitrary HTML/JS in the builder's authenticated context, bypassing the Web Worker sandbox that protects Script blocks during preview. This allows session hijacking and privilege escalation within the builder application. This issue has been fixed in version 3.16.0."}], "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": "2026-05-22T16:12:17.529Z"}}}, "cveMetadata": {"cveId": "CVE-2026-28445", "state": "PUBLISHED", "dateUpdated": "2026-05-22T17:52:34.728Z", "dateReserved": "2026-02-27T15:54:05.140Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-05-22T16:12:17.529Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Typebot is a chatbot builder tool. In versions 3.15.2 and prior, the RatingButton component in the embed package renders the user-controlled customIcon.svg field directly via Solid's innerHTML directive without any sanitization, even though DOMPurify is already a dependency and is used elsewhere in the codebase (e.g., StreamingBubble.tsx). Because rating blocks are not flagged as isUnsafe by the import sanitizer and the builder preview renders bots inline on the builder's own origin (builder.typebot.io) under a CSP permitting 'unsafe-inline', a malicious imported or collaborator-crafted typebot can execute arbitrary HTML/JS in the builder's authenticated context, bypassing the Web Worker sandbox that protects Script blocks during preview. This allows session hijacking and privilege escalation within the builder application. This issue has been fixed in version 3.16.0."}], "id": "CVE-2026-28445", "lastModified": "2026-05-22T18:27:13.370", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 5.8, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-05-22T17:16:46.127", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/baptisteArno/typebot.io/commit/474ecbf46bc47a75265bada2599f12b2179de375"}, {"source": "security-advisories@github.com", "url": "https://github.com/baptisteArno/typebot.io/releases/tag/v3.16.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/baptisteArno/typebot.io/security/advisories/GHSA-6m7c-xfhp-p9fh"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/baptisteArno/typebot.io/security/advisories/GHSA-6m7c-xfhp-p9fh"}], "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": "[0,3.16.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "typebot.io", "source": "cna", "vendor": "baptisteArno"}, "product": "typebot.io", "vendor": "baptistearno"}], "created": "2026-05-22T17:30:06.235894+00:00", "updated": "2026-05-25T11:34:07.751880+00:00", "vendors": ["baptistearno", "baptistearno$PRODUCT$typebot.io"]}