CVE-2026-47762

TinyMCE Cross-Site Scripting (XSS) vulnerability through `mce:protected` comments

CVSS 8.7 HIGHEPSS 0.2%CWE-79

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 forged mce:protected comments. Allows attackers to bypass sanitization and inject scripts that execute when content is restored. Impacts users who utilize the protect option. This vulnerability is fixed in 5.11.1, 7.9.3, and 8.5.1.

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

Affected products

tinymce · tinymce

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References

https://github.com/tinymce/tinymce/security/advisories/GHSA-v98h-vmpc-fpqv 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