CVE-2026-47759

Published: May 28, 2026Modified: Jun 17, 2026

5.4

Vector

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

Exploitability: 2.3 / Impact: 2.7

Source: NVD

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 (3)

Products: Tiny: Tinymce

1 product

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Tiny Tinymce	Before 5.11.1
Tiny Tinymce	From 6.0.0 to 7.9.3
Tiny Tinymce	From 8.0.0 to 8.5.1

Related CWEs

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (3)

https://github.com/tinymce/tinymce/security/advisories/GHSA-q742-qvgc-gc2f

Source: security-advisories@github.com

PatchVendor Advisory

https://www.tiny.cloud/docs/tinymce/7/7.9.3-release-notes/#overview

Source: security-advisories@github.com

Release Notes

https://www.tiny.cloud/docs/tinymce/8/8.5.1-release-notes/#overview

Source: security-advisories@github.com

Release Notes

Timeline

No history available yet.