PT-2026-44388 · Tiny+1 · Tinymce

Published 2026-05-28 · Updated 2026-05-28 · CVE-2026-47759

Mitre

CVSS v3.1

8.7

High

Base vector

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

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.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-47759

Affected Products

Tinymce

References · 4

• https://github.com/tinymce/tinymce/security/advisories/GHSA-q742-qvgc-gc2f · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-47759 · Security Note
• https://tiny.cloud/docs/tinymce/7/7.9.3-release-notes/#overview · Note
• https://tiny.cloud/docs/tinymce/8/8.5.1-release-notes/#overview · Note