high8.7
CVE-2026-47762
TinyMCE Cross-Site Scripting (XSS) vulnerability through `mce:protected` comments
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | tinymce | >= 6.0.0, < 7.9.3 | 7.9.3 |
| nuget | TinyMCE | >= 6.0.0, < 7.9.3 | 7.9.3 |
| composer | tinymce/tinymce | >= 6.0.0, < 7.9.3 | 7.9.3 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Tiny | Tinymce | before 5.11.1 from 6.0.0 before 7.9.3 from 8.0.0 before 8.5.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-v98h-vmpc-fpqv
- https://github.com/tinymce/tinymce/security/advisories/GHSA-v98h-vmpc-fpqv
- https://nvd.nist.gov/vuln/detail/CVE-2026-47762
- 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