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CVE-2026-47759

HIGH CVSS: 8.7 Published: 2026-05-28 Modified: 2026-06-17

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.

Affected Platforms

Tiny Tinymce

Weakness Type

CWE-79

References