CVE-2026-47761

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

Published May 28, 2026 CVSS 3.1 · 8.7 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-vg35-5wq7-3x7w TinyMCE Cross-Site Scripting (XSS) vulnerability using media plugin `data-mce-object` injection
History
Type Values Removed Values Added
First Time appeared Tiny
Tiny tinymce
CPEs cpe:2.3:a:tiny:tinymce:*:*:*:*:*:*:*:*
Vendors & Products Tiny
Tiny tinymce
Type Values Removed Values Added
First Time appeared Tinymce
Tinymce tinymce
Vendors & Products Tinymce
Tinymce tinymce
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title TinyMCE Cross-Site Scripting (XSS) vulnerability using media plugin `data-mce-object` injection
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
May 28, 2026, 3:26 PM
Reserved
May 19, 2026, 10:36 PM
Status
Analyzed
Published
May 28, 2026, 4:16 PM
Modified
Oct 14, 2026, 8:10 PM