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Description

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.

PUBLISHED Reserved 2026-05-19 | Published 2026-05-28 | Updated 2026-05-28 | Assigner GitHub_M




HIGH: 8.7CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

< 5.11.1
affected

>= 6.0.0, <= 6.8.6
affected

>= 7.0.0, < 7.9.3
affected

>= 8.0.0, < 8.5.1
affected

References

github.com/...inymce/security/advisories/GHSA-v98h-vmpc-fpqv

www.tiny.cloud/docs/tinymce/7/7.9.3-release-notes/

www.tiny.cloud/docs/tinymce/8/8.5.1-release-notes/

cve.org (CVE-2026-47762)

nvd.nist.gov (CVE-2026-47762)

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