{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-116675", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-26T20:00:59.829Z", "datePublished": "2026-10-27T16:47:01.183Z", "dateUpdated": "2026-10-27T16:47:01.183Z"}, "containers": {"cna": {"title": "TinyMCE Cross-Site Scripting (XSS) vulnerability using media plugin `data-mce-object` serialization", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.5, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/tinymce/tinymce/security/advisories/GHSA-mf2p-h6hf-fcwm", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/tinymce/tinymce/security/advisories/GHSA-mf2p-h6hf-fcwm"}, {"name": "https://github.com/tinymce/tinymce/commit/bd1ab5ef024c648c3f9c0b409e54a6c227c7d8a2", "tags": ["x_refsource_MISC"], "url": "https://github.com/tinymce/tinymce/commit/bd1ab5ef024c648c3f9c0b409e54a6c227c7d8a2"}, {"name": "https://github.com/tinymce/tinymce/releases/tag/8.9.3", "tags": ["x_refsource_MISC"], "url": "https://github.com/tinymce/tinymce/releases/tag/8.9.3"}, {"name": "https://www.tiny.cloud/docs/tinymce/7/7.9.4-release-notes/#overview", "tags": ["x_refsource_MISC"], "url": "https://www.tiny.cloud/docs/tinymce/7/7.9.4-release-notes/#overview"}, {"name": "https://www.tiny.cloud/docs/tinymce/latest/8.9.3-release-notes/#overview", "tags": ["x_refsource_MISC"], "url": "https://www.tiny.cloud/docs/tinymce/latest/8.9.3-release-notes/#overview"}], "affected": [{"vendor": "tinymce", "product": "tinymce", "versions": [{"version": ">= 8.5.1, < 8.9.3", "status": "affected"}, {"version": ">= 7.9.3, < 7.9.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-27T16:47:01.183Z"}, "descriptions": [{"lang": "en", "value": "TinyMCE is an open source rich text editor. From 7.9.3 until 7.9.4 and from 8.5.1 until 8.9.3, the media plugin creates elements crafted through data-mce-object in the active document before sanitization. Those elements can execute malicious scripts during processing, resulting in stored cross-site scripting for users with the media plugin enabled. This issue is fixed in versions 8.9.3 and 7.9.4."}], "source": {"advisory": "GHSA-mf2p-h6hf-fcwm", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "tinymce", "vendor": "tinymce", "versions": [{"status": "affected", "version": ">= 8.5.1, < 8.9.3"}, {"status": "affected", "version": ">= 7.9.3, < 7.9.4"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "TinyMCE is an open source rich text editor. From 7.9.3 until 7.9.4 and from 8.5.1 until 8.9.3, the media plugin creates elements crafted through data-mce-object in the active document before sanitization. Those elements can execute malicious scripts during processing, resulting in stored cross-site scripting for users with the media plugin enabled. This issue is fixed in versions 8.9.3 and 7.9.4."}], "id": "CVE-2026-116675", "lastModified": "2026-10-27T17:16:59.617", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "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": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/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": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-27T17:16:59.617", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/tinymce/tinymce/commit/bd1ab5ef024c648c3f9c0b409e54a6c227c7d8a2"}, {"source": "security-advisories@github.com", "url": "https://github.com/tinymce/tinymce/releases/tag/8.9.3"}, {"source": "security-advisories@github.com", "url": "https://github.com/tinymce/tinymce/security/advisories/GHSA-mf2p-h6hf-fcwm"}, {"source": "security-advisories@github.com", "url": "https://www.tiny.cloud/docs/tinymce/7/7.9.4-release-notes/#overview"}, {"source": "security-advisories@github.com", "url": "https://www.tiny.cloud/docs/tinymce/latest/8.9.3-release-notes/#overview"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.5.1,8.9.3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.9.3,7.9.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "tinymce", "source": "cna", "vendor": "tinymce"}, "product": "tinymce", "vendor": "tinymce"}], "created": "2026-10-27T18:45:07.615369+00:00", "updated": "2026-10-27T19:15:07.598155+00:00", "vendors": ["tinymce", "tinymce$PRODUCT$tinymce"]}