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CVE-2026-47760

TinyMCE Cross-Site Scripting (XSS) vulnerability using sanitization bypass through nested SVGs

MEDIUM
5.4
CVSS Score
Published: May 28, 2026 at 03:18 PM UTC
Updated: October 14, 2026 at 08:10 PM UTC
2 products affected across 2 vendorsTinymceTinymce

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

TinyMCE is an open source rich text editor. From 6.8.0 to before 7.1.0, TinyMCE contains an XSS vulnerability caused by improper SVG namespace scope handling in the sanitizer. A crafted payload using nested elements can bypass attribute sanitization and execute arbitrary JavaScript. This vulnerability is fixed in 7.1.0.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Tinymce· Tiny
95%
All versions6.8.0 ≤ v < 7.1.0
Tinymce· Tinymce
90%
Affected range stops below 7.1.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_CONFIRMVendor Advisory
Source: cverecord
https://github.com/tinymce/tinymce/security/advisories/GHSA-mh5m-5hw4-5c69

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79

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