CVE-2026-47759

EUVD-2026-32921
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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
GitHub_MCNA
8.7 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
tinytinymce
𝑥
< 5.11.1
tinytinymce
6.0.0 ≤
𝑥
< 7.9.3
tinytinymce
8.0.0 ≤
𝑥
< 8.5.1
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
tinymcetinymce
𝑥
< 5.11.1
CNA
Common Weakness Enumeration
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