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 via unsanitized data-mce-* attributes (data-mce-href, data-mce-src, data-mce-style). Allows attackers to inject malicious values that override safe attributes during serialization, bypassing validation. This vulnerability is fixed in 5.11.1, 7.9.3, and 8.5.1.
History

Sat, 30 May 2026 02:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Thu, 28 May 2026 19:30:00 +0000

Type Values Removed Values Added
First Time appeared Tiny
Tiny tinymce
CPEs cpe:2.3:a:tiny:tinymce:*:*:*:*:*:*:*:*
Vendors & Products Tiny
Tiny tinymce

Thu, 28 May 2026 17:00:00 +0000

Type Values Removed Values Added
First Time appeared Tinymce
Tinymce tinymce
Vendors & Products Tinymce
Tinymce tinymce

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

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 via unsanitized data-mce-* attributes (data-mce-href, data-mce-src, data-mce-style). Allows attackers to inject malicious values that override safe attributes during serialization, bypassing validation. This vulnerability is fixed in 5.11.1, 7.9.3, and 8.5.1.
Title TinyMCE Cross-Site Scripting (XSS) vulnerability using through data-mce- prefixed src, href, style attributes
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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-05-28T15:20:11.242Z

Updated: 2026-05-30T01:58:37.777Z

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

Link: CVE-2026-47759

cve-icon Vulnrichment

Updated: 2026-05-30T01:58:33.391Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-28T16:16:28.070

Modified: 2026-05-28T19:19:37.803

Link: CVE-2026-47759

cve-icon Redhat

No data.