CVE-2026-47761
TinyMCE Cross-Site Scripting (XSS) vulnerability using media plugin `data-mce-object` injection
描述
### Impact Stored XSS vulnerability in the media plugin. Attackers can inject malicious scripts via crafted `data-mce-*` attributes, which are executed when content is rendered. Impacts users of TinyMCE with the media plugin enabled. ### Patches This vulnerability has been patched in TinyMCE 8.5.1, TinyMCE 7.9.3 and TinyMCE 5.11.1 LTS by ensuring that, when using the media plugin, any content with `data-mce-object` and `data-mce-p-*` attributes are properly sanitized. ### Workarounds No official workaround available. ### Fix To avoid this vulnerability: - Upgrade to TinyMCE 8.5.1 or higher. - Upgrade to TinyMCE 7.9.3 or higher. - Upgrade to TinyMCE 5.11.1 LTS or higher for TinyMCE 5.x (only available as part of commercial [long-term support](https://www.tiny.cloud/long-term-support/) contract). ### Acknowledgements Tiny thanks [Aymane MAZGUITI](https://github.com/UncleJ4ck) and [Ange Primiterra](https://github.com/ange-primiterra) for their help identifying this vulnerability.
如何修補 CVE-2026-47761
目前尚未發布修補版本。可考慮移除受影響套件,或參考下方連結中的上游建議。
- —未列出修補版本
- —未列出修補版本
- —未列出修補版本
CVE-2026-47761 正在被利用嗎?
目前沒有被利用訊號。CVE-2026-47761 既不在 CISA KEV 也沒有最新的 EPSS 分數。
受影響套件(3)
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CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N |