Cyber Resilience

CVE-2026-47762

HighUpdated

Published: 28 May 2026

Published
28 May 2026
Modified
17 June 2026
KEV Added
—
Patch
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CVSS Score v3.1 8.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
EPSS Score 0.0024 14.8th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-47762 is a high-severity Cross-site Scripting (CWE-79) vulnerability in Tiny Tinymce. Its CVSS base score is 8.7 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 14.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability details

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 forged mce:protected comments. Allows attackers to bypass sanitization and inject scripts that execute when content is restored. Impacts users…

more

who utilize the protect option. This vulnerability is fixed in 5.11.1, 7.9.3, and 8.5.1.

CWE(s)
CWE-79

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1059.007 JavaScript Execution
Adversaries may abuse various implementations of JavaScript for execution.
attack.mitre.org →
Why these techniques?

Stored XSS enables script injection/execution in web apps (T1059.007) and exploitation of public-facing web applications (T1190).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-47759Same product: Tiny Tinymce
CVE-2026-47761Same product: Tiny Tinymce
CVE-2026-47760Same product: Tiny Tinymce
CVE-2025-26907Shared CWE-79
CVE-2025-69084Shared CWE-79
CVE-2025-69048Shared CWE-79
CVE-2025-22567Shared CWE-79
CVE-2025-69324Shared CWE-79
CVE-2026-1841Shared CWE-79
CVE-2025-26588Shared CWE-79

Affected Assets

tiny
tinymce
≤ 5.11.1 · 6.0.0 — 7.9.3 · 8.0.0 — 8.5.1

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CA-8 Penetration Testing
addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

SI-10 Information Input Validation
addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

SI-15 Information Output Filtering
addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References