{"id":"GHSA-mh5m-5hw4-5c69","revision":"ee5bb55722244b2c990e49597431b16a","records":[{"revision":"ee5bb55722244b2c990e49597431b16a","observedAt":"2026-10-23T16:01:25.029+00:00","statement":{"source":"osv","id":"GHSA-mh5m-5hw4-5c69","aliases":["CVE-2026-47760"],"title":"TinyMCE Cross-Site Scripting (XSS) vulnerability using sanitization bypass through nested SVGs","description":"### Impact\nTinyMCE 6.8.x contains an XSS vulnerability caused by improper SVG namespace scope handling in the sanitizer. A crafted payload using nested <svg> elements can bypass attribute sanitization and execute arbitrary JavaScript.\n\n### Patches\nThis issue affects TinyMCE 6.8.x-7.0.x. The vulnerability is fixed in TinyMCE 7.1.0 and later.\n\n### Workarounds\nNo official workaround available.\n\n### Acknowledgements\nTiny thanks [maple3142](https://github.com/maple3142) (<https://maple3142.net>) of DEVCORE for their help identifying this vulnerability.\n\n### References\nFix introduced in TinyMCE 7.1.0 though a rewrite of code causing the vulnerability.","state":0,"publishedAt":"2026-06-05T20:09:38+00:00","modifiedAt":"2026-09-10T03:51:09.3669774+00:00","affected":[{"ecosystem":"npm","name":"tinymce","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"6.8.0"},{"kind":"fixed","version":"7.1.0"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"NuGet","name":"TinyMCE","ranges":[{"type":"ECOSYSTEM","events":[{"kind":"introduced","version":"6.8.0"},{"kind":"fixed","version":"7.1.0"}]}],"versions":["6.8.0","6.8.1","6.8.2","6.8.3","6.8.4","6.8.5","6.8.6","7.0.0","7.0.1"],"rawVersionEvidence":null},{"ecosystem":"Packagist","name":"tinymce/tinymce","ranges":[{"type":"ECOSYSTEM","events":[{"kind":"introduced","version":"6.8.0"},{"kind":"fixed","version":"7.1.0"}]}],"versions":["6.8.0","6.8.1","6.8.2","6.8.3","6.8.4","6.8.5","6.8.6","7.0.0","7.0.1"],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/tinymce/tinymce/security/advisories/GHSA-mh5m-5hw4-5c69","https://nvd.nist.gov/vuln/detail/CVE-2026-47760","https://github.com/tinymce/tinymce"],"sourceUrl":"https://github.com/advisories/GHSA-mh5m-5hw4-5c69","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-mh5m-5hw4-5c69","identifiers":["GHSA-mh5m-5hw4-5c69","CVE-2026-47760"]},"retained":false,"historicalAffected":[]}],"coverage":[]}