CVE-2026-47759

MEDIUM EPSS 14.7%
Published May 28, 20261mo ago · Modified Jun 17, 20261w ago
5.4 CVSS 3.1
Medium
Find Similar
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
5.4
Exploitability
2.3
Impact
2.7
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

VendorProductVersionRange
tinytinymce* <5.11.1
tinytinymce*≥6.0.0  –  <7.9.3
tinytinymce*≥8.0.0  –  <8.5.1

References 3

  • github.com https://github.com/tinymce/tinymce/security/advisories/GHSA-q742-qvgc-gc2f
    PatchVendor Advisory
  • tiny.cloud https://www.tiny.cloud/docs/tinymce/7/7.9.3-release-notes/#overview
    Release Notes
  • tiny.cloud https://www.tiny.cloud/docs/tinymce/8/8.5.1-release-notes/#overview
    Release Notes

Remediation

  • github.com https://github.com/tinymce/tinymce/security/advisories/GHSA-q742-qvgc-gc2f
    PatchVendor Advisory