CVE-2026-47759
MEDIUM EPSS 14.7%
Published May 28, 20261mo ago · Modified Jun 17, 20261w ago
5.4 CVSS 3.1
Published May 28, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago
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 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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Low
Availability None
Threat Intelligence
EPSS Exploit Probability
14.7% percentile
Exploit & Patch Status
No Known Exploit
Patch Available
Weaknesses 1
CWE-79 Cross-site Scripting Injection
Affected Products 3
References 3
- github.com https://github.com/tinymce/tinymce/security/advisories/GHSA-q742-qvgc-gc2f
- tiny.cloud https://www.tiny.cloud/docs/tinymce/7/7.9.3-release-notes/#overview
- tiny.cloud https://www.tiny.cloud/docs/tinymce/8/8.5.1-release-notes/#overview
Remediation
- github.com https://github.com/tinymce/tinymce/security/advisories/GHSA-q742-qvgc-gc2f