Vulnerability Report

CVE-2026-47761

Title: Stored XSS in media plugin via crafted data-mce-* attributes

XSS

Proof Of Concept

PoC Available for CVE-2026-47761

CWE Category CWE-79
Published Date May 28, 2026
Modified Date May 28, 2026
Exploit Status Available
Score 8.7 CVSS v3.1
Exploit Probability (EPSS)
0.26%

Vulnerability Summary

CVE-2026-47761: 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 in the media plugin. Attackers can inject malicious scripts via crafted data-mce-* attributes, which are executed when content is rendered. Impacts users of TinyMCE with the media plugin enabled. This vulnerability is fixed in 5.11.1, 7.9.3, and 8.5.1.

Impacted Vendors

T
tiny 1

Reference Links

https://github.com/tinymce/tinymce/security/advisories/GHSA-vg35-5wq7-3x7w https://www.tiny.cloud/docs/tinymce/7/7.9.3-release-notes/#overview https://www.tiny.cloud/docs/tinymce/8/8.5.1-release-notes/#overview
CVSS v3.1
Source Entity [email protected]
Severity HIGH
8.7
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.4
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-47761 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/ange-primiterra/CVE-2026-47761
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Affected Stack

No specific products linked.