CVE-2026-47760

HIGH

TinyMCE Cross-Site Scripting (XSS) vulnerability using sanitization bypass through nested SVGs

Title source: cna
STIX 2.1

Description

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.

References (1)

Core 1
Core References

Scores

CVSS v3 8.7
EPSS 0.0016
EPSS Percentile 5.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (5)
npm/tinymce 6.8.0 - 7.1.0npm
nuget/TinyMCE 6.8.0 - 7.1.0NuGet
tiny/tinymce 6.8.0 - 7.1.0
tinymce/tinymce 6.8.0 - 7.1.0Packagist
tinymce/tinymce >= 6.0.0, < 7.1.0
Published May 28, 2026
Tracked Since May 28, 2026