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CVE-2026-47759

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

Description (CNA)

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 unsanitized data-mce-* attributes (data-mce-href, data-mce-src, data-mce-style). Allows attackers to inject malicious values that override safe attributes during serialization, bypassing validation. This vulnerability is fixed in 5.11.1, 7.9.3, and 8.5.1.

Affected (CNA)

Vendor / productVersions
tinymce / tinymceaffected < 5.11.1; affected >= 6.0.0, <= 6.8.6; affected >= 7.0.0, < 7.9.3; affected >= 8.0.0, < 8.5.1

CWE

CWE-79

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.