CVE-2026-47759: TinyMCE Cross-Site Scripting (XSS) vulnerability using through data-mce- prefixed src, href, style attributes

high Affects tinymce/tinymce. Feed 2026.10.29.4, updated 2026-10-29; published 2026-06-05; advisory modified 2026-09-10.

TinyMCE Cross-Site Scripting (XSS) vulnerability using through data-mce- prefixed src, href, style attributes

Package: tinymce/tinymce Composer
Affected versions: <=5.10.9 or >=6.0.0 and <7.9.3 or >=8.0.0 and <8.5.1
Fixed in: 7.9.3, 8.5.1
Severity: high CVSS 8.7
Exploitation: not on CISA KEV · EPSS 0% (20.6th percentile)
Published: 2026-06-05
Source: osv.dev

References

CWE-79

NVD record tinymce/tinymce advisories

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