CVE-2026-47759
8.7
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| tinymce | tinymce | < 5.11.1 | affected |
| tinymce | tinymce | >= 6.0.0, <= 6.8.6 | affected |
| tinymce | tinymce | >= 7.0.0, < 7.9.3 | affected |
| tinymce | tinymce | >= 8.0.0, < 8.5.1 | affected |
Weaknesses
- CWE-79: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
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
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