CVE-2026-124494
CRITICAL—CVSS v3
—CVSS v2
—
EPSS (exploit probability)
CWE-79CWE
Description
SunEditor before 3.4.0 contains a stored cross-site scripting vulnerability because the html.clean() sanitizer's _normalizeURL() function decodes named entities like : to an empty string. Attackers can inject href values such as javascript: that pass the _isSafeURL() check but are decoded by browsers, executing JavaScript when victims click stored links.
Affected routers (0)
No routers currently mapped to this CVE in our database.