CVE-2026-47759

HIGH SEVERITY

CVSS Score & Metrics

Base Score

8.7 / 10

Vector String

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

Vulnerability 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.

Vulnerability Details

Published Date

May 28, 2026

Last Modified

May 28, 2026

CWE ID

CWE-79

Source

NVD

Vendor

tinymce

Product

tinymce

External References

https://github.com/tinymce/tinymce/security/advisories/GHSA-q742-qvgc-gc2f
https://www.tiny.cloud/docs/tinymce/7/7.9.3-release-notes/#overview
https://www.tiny.cloud/docs/tinymce/8/8.5.1-release-notes/#overview

CVE-2026-47759

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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