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.

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History

Thu, 28 May 2026 15:30:00 +0000

Type Values Removed Values Added
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.
Title TinyMCE Cross-Site Scripting (XSS) vulnerability using sanitization bypass through nested SVGs
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 8.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-05-28T15:18:22.509Z

Reserved: 2026-05-19T22:36:16.881Z

Link: CVE-2026-47760

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-05-28T16:16:28.210

Modified: 2026-05-28T16:16:28.210

Link: CVE-2026-47760

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses