TinyMCE is an open source rich text editor.

Code

The project this record applies to. Exploit listings stay in References.

• Repository · github.com

Timeline

Detection, updates, and resolution for this record.

1. May 28, 2026 · NIST NVD

   Detected

   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.

2. Oct 14, 2026 · NIST NVD

   Updated

   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

• cpe tiny/tinymceversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-47759

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2026-47759

  30-day exploitation probability 0.3%

  first.org
• NIST NVDVulnerability recordCVE-2026-47759

  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

  nvd.nist.gov

References

• Patch · github.com
• Release Notes · tiny.cloud
• Release Notes · tiny.cloud