CVE-2026-47760
TinyMCE Cross-Site Scripting (XSS) vulnerability using sanitization bypass through nested SVGs
CVSS Score
8.7
EPSS Score
0.0%
EPSS Percentile
10th
TinyMCE is an open source rich text editor. From 6.8.0 to before 7.1.0, TinyMCE contains an XSS vulnerability caused by improper SVG namespace scope handling in the sanitizer. A crafted payload using nested elements can bypass attribute sanitization and execute arbitrary JavaScript. This vulnerability is fixed in 7.1.0.
| CWE | CWE-79 |
| Vendor | tinymce |
| Product | tinymce |
| Published | May 28, 2026 |
| Last Updated | Jun 2, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
tinymce / tinymce
>= 6.0.0, < 7.1.0