CVE-2026-124491

6.4 MEDIUMpublic exploit available

Published 2026-11-08 · Updated 2026-11-09

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD 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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Weaknesses

CWE-79

Public exploit & PoC references

https://github.com/JiHong88/suneditor/security/advisories/GHSA-2w4v-r3v4-f5h4
https://github.com/JiHong88/suneditor/security/advisories/GHSA-2w4v-r3v4-f5h4

All references

https://github.com/JiHong88/suneditor/security/advisories/GHSA-2w4v-r3v4-f5h4
https://www.vulncheck.com/advisories/suneditor-before-3.4.0-stored-xss-via-fileupload-plugin-filename
https://github.com/JiHong88/suneditor/security/advisories/GHSA-2w4v-r3v4-f5h4

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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