CVE-2026-47761 HIGH

CVE-2026-47761: TinyMCE Cross-Site Scripting (XSS) vulnerability using media plugin `data-mce-object` injection

Vendor Tinymce
Product tinymce
Weakness CWE-79 · XSS
Published May 28, 2026
Last update May 28, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

What the vulnerability does

01Description

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 in the media plugin. Attackers can inject malicious scripts via crafted data-mce-* attributes, which are executed when content is rendered. Impacts users of TinyMCE with the media plugin enabled. This vulnerability is fixed in 5.11.1, 7.9.3, and 8.5.1.

Key dates

02Disclosure timeline

May 28, 2026 CVE published
May 28, 2026 Record updated