CVE-2026-124493

— UNSCOREDpublic exploit available

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

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 DocumentType constructor that injects header textContent into innerHTML without HTML escaping. Attackers can store entity-encoded HTML in h1-h6 headers that executes JavaScript when editors using document:header mode initialize, enabling session cookie theft.

Weaknesses

CWE-79

Public exploit & PoC references

https://github.com/JiHong88/suneditor/security/advisories/GHSA-h9pq-57qf-vvfh

All references

https://github.com/JiHong88/suneditor/security/advisories/GHSA-h9pq-57qf-vvfh
https://www.vulncheck.com/advisories/suneditor-before-3.4.0-stored-xss-via-documenttype-header-textcontent

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

Related CVEs

MEDIUMCVE-2012-20003PoC
MEDIUMCVE-2012-20004PoC
MEDIUMCVE-2012-20005PoC
MEDIUMCVE-2013-20009PoC
MEDIUMCVE-2014-125131PoC
MEDIUMCVE-2014-125132PoC
MEDIUMCVE-2015-20130PoC
MEDIUMCVE-2016-20098PoC

Related by shared AI tags and CWE weakness class. Browse the full archive.