CVE-2026-116675
Mở trang đầy đủCVSS 8.5 HIGH
TinyMCE Cross-Site Scripting (XSS) vulnerability using media plugin `data-mce-object` serialization
Mô tả
Impact
Stored XSS vulnerability in the media plugin. Attackers can inject malicious scripts via elements crafted through the data-mce-object attribute, which are created and executed before sanitization. Impacts users of TinyMCE with the media plugin enabled.
Patches
This vulnerability has been patched in TinyMCE 8.9.3 and TinyMCE 7.9.4 by ensuring that, when using the media plugin, any content created through the data-mce-object attribute is properly sanitized first.
Workarounds
No official workaround available.
Fix
To avoid this vulnerability:
Upgrade to TinyMCE 8.9.3 or higher.
Upgrade to TinyMCE 7.9.4 or higher.
Acknowledgements
Tiny thanks Fariskhi Vidyan and David Vieira Kurz (HiSolutions AG) for their help identifying this vulnerability.
Điểm và phân loại
- CVSS
- 8.5 HIGH v4.0
- Nguồn điểm
- NVD
- Mức độ (theo nguồn)
- HIGH
- EPSS
- 0.35%
- CWE
- CWE-79
Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Ảnh hưởng
| Package | Bản bị ảnh hưởng | Bản đã sửa |
|---|---|---|
npm tinymce |
>= 8.5.1, < 8.9.3 |
8.9.3
|
nuget TinyMCE |
>= 8.5.1, < 8.9.3 |
8.9.3
|
composer tinymce/tinymce |
>= 8.5.1, < 8.9.3 |
8.9.3
|
npm tinymce |
= 7.9.3 |
7.9.4
|
nuget TinyMCE |
= 7.9.3 |
7.9.4
|
composer tinymce/tinymce |
= 7.9.3 |
7.9.4
|
npm tinymce |
>= 7.9.3, < 7.9.4 |
7.9.4
|
nuget TinyMCE |
>= 7.9.3, < 7.9.4 |
7.9.4
|
composer tinymce/tinymce |
>= 7.9.3, < 7.9.4 |
7.9.4
|
Sản phẩm
- tinymce tinymce
Vì sao được giữ
- CVSS 8.5 >= 8.0
Loại tác động
Không nhận ra loại tác động nào từ CWE, vector hay mô tả.
Dữ liệu riêng của nguồn
- CVE.org · Đơn vị cấp mã
- GitHub_M
- CVE.org · SSVC
- Tự động hoá được: no · Khai thác: none · Tác động kỹ thuật: total
- OSV.dev · ID
- GHSA-mf2p-h6hf-fcwm
Tham khảo
- https://github.com/advisories/GHSA-mf2p-h6hf-fcwm
- https://github.com/tinymce/tinymce/security/advisories/GHSA-mf2p-h6hf-fcwm
- https://nvd.nist.gov/vuln/detail/CVE-2026-116675
- https://github.com/tinymce/tinymce/commit/bd1ab5ef024c648c3f9c0b409e54a6c227c7d8a2
- https://github.com/tinymce/tinymce/releases/tag/8.9.3
- https://www.tiny.cloud/docs/tinymce/7/7.9.4-release-notes/#overview
- https://www.tiny.cloud/docs/tinymce/latest/8.9.3-release-notes/#overview
- https://osv.dev/vulnerability/GHSA-mf2p-h6hf-fcwm
- https://github.com/tinymce/tinymce