{"id":"CVE-2026-47759","title":"TinyMCE is an open source rich text editor","summary":"TinyMCE is an open source rich text editor. Prior to 5.11.1, 7.9.3, and 8.5.1, there is a stored XSS vulnerability via unsanitized data-mce-* attributes (data-mce-href, data-mce-src, data-mce-style). Allows attackers to inject malicious …","severity":"high","cvss":8.7,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","cwe":["CWE-79"],"vendor":"tiny","product":"tinymce","affected":["tinymce < 5.11.1","tinymce >= 6.0.0, < 7.9.3","tinymce >= 8.0.0, < 8.5.1"],"patched":["tinymce 8.5.1"],"published":"2026-05-28","updated":"2026-10-14","sourceUpdated":"2026-10-14T20:10:00.190","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-47759","references":[{"url":"https://github.com/tinymce/tinymce/security/advisories/GHSA-q742-qvgc-gc2f","label":"security-advisories@github.com"},{"url":"https://www.tiny.cloud/docs/tinymce/7/7.9.3-release-notes/#overview","label":"security-advisories@github.com"},{"url":"https://www.tiny.cloud/docs/tinymce/8/8.5.1-release-notes/#overview","label":"security-advisories@github.com"}],"tags":["nvd"],"epss":0.00416,"epssPercentile":0.3434,"ingestedAt":"2026-10-14T20:53:12.337Z","slug":"CVE-2026-47759","body":"## Overview\n\nTinyMCE is an open source rich text editor. Prior to 5.11.1, 7.9.3, and 8.5.1, there is a stored XSS vulnerability via unsanitized data-mce-* attributes (data-mce-href, data-mce-src, data-mce-style). Allows attackers to inject malicious values that override safe attributes during serialization, bypassing validation. This vulnerability is fixed in 5.11.1, 7.9.3, and 8.5.1.\n\n## Affected\n\n- `tinymce < 5.11.1`\n- `tinymce >= 6.0.0, < 7.9.3`\n- `tinymce >= 8.0.0, < 8.5.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `tinymce 8.5.1`","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":47.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}