{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-88976", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-10T16:02:31.342Z", "datePublished": "2026-09-16T14:11:39.881Z", "dateUpdated": "2026-09-16T15:25:38.481Z"}, "containers": {"cna": {"title": "@platejs/core HTML deserialization can trigger browser behavior during parsing", "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": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/udecode/plate/security/advisories/GHSA-qrfj-mgw8-j9c6", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/udecode/plate/security/advisories/GHSA-qrfj-mgw8-j9c6"}, {"name": "https://github.com/udecode/plate/pull/5117", "tags": ["x_refsource_MISC"], "url": "https://github.com/udecode/plate/pull/5117"}, {"name": "https://github.com/udecode/plate/commit/d02afe45d5ec3a9fb95e0745bc5820ff18a3c12b", "tags": ["x_refsource_MISC"], "url": "https://github.com/udecode/plate/commit/d02afe45d5ec3a9fb95e0745bc5820ff18a3c12b"}, {"name": "https://github.com/udecode/plate/releases/tag/v53.3.11", "tags": ["x_refsource_MISC"], "url": "https://github.com/udecode/plate/releases/tag/v53.3.11"}], "affected": [{"vendor": "udecode", "product": "plate", "versions": [{"version": "< 53.3.11", "status": "affected"}, {"version": ">= 54.0.0-beta.0, <= 54.0.0-beta.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-16T14:11:39.881Z"}, "descriptions": [{"lang": "en", "value": "Plate is a rich-text editor with AI and shadcn/ui. Prior to 53.3.11, and in the discontinued 54.0.0-beta.0 through 54.0.0-beta.1 builds, Plate core HTML deserialization APIs parse supplied HTML strings in the active document. When an application passes untrusted or cross-user HTML to these APIs, certain HTML attributes can trigger browser behavior before the HTML is converted into editor nodes. This can allow attacker-controlled script to execute in the consuming application's origin when another user loads the deserialized content. This issue is fixed in version 53.3.11."}], "source": {"advisory": "GHSA-qrfj-mgw8-j9c6", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-16T15:24:04.653416Z", "id": "CVE-2026-88976", "options": [{"Exploitation": "none"}, {"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": "2026-09-16T15:25:38.481Z"}}]}}

{}

{"affected": [{"affectedData": [{"product": "plate", "vendor": "udecode", "versions": [{"status": "affected", "version": "< 53.3.11"}, {"status": "affected", "version": ">= 54.0.0-beta.0, <= 54.0.0-beta.1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Plate is a rich-text editor with AI and shadcn/ui. Prior to 53.3.11, and in the discontinued 54.0.0-beta.0 through 54.0.0-beta.1 builds, Plate core HTML deserialization APIs parse supplied HTML strings in the active document. When an application passes untrusted or cross-user HTML to these APIs, certain HTML attributes can trigger browser behavior before the HTML is converted into editor nodes. This can allow attacker-controlled script to execute in the consuming application's origin when another user loads the deserialized content. This issue is fixed in version 53.3.11."}], "id": "CVE-2026-88976", "lastModified": "2026-09-16T15:18:06.020", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-16T15:18:05.850", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/udecode/plate/commit/d02afe45d5ec3a9fb95e0745bc5820ff18a3c12b"}, {"source": "security-advisories@github.com", "url": "https://github.com/udecode/plate/pull/5117"}, {"source": "security-advisories@github.com", "url": "https://github.com/udecode/plate/releases/tag/v53.3.11"}, {"source": "security-advisories@github.com", "url": "https://github.com/udecode/plate/security/advisories/GHSA-qrfj-mgw8-j9c6"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}