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CVE-2026-124491 Details

Description

SunEditor before 3.4.0 contains a stored cross-site scripting vulnerability in the FileUpload plugin create() method that assigns server-returned file names to innerHTML without escaping. Attackers can upload files with HTML-laden names that bypass html.clean() and execute JavaScript in victims' browsers when content or gallery items load, enabling session theft.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/JiHong88/suneditor/security/advisories/GHSA-2w4v-r3v4-f5h4	[email protected]
https://www.vulncheck.com/advisories/suneditor-before-3.4.0-stored-xss-via-fileupload-plugin-filename	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

1 change record found show changes