CVE-2026-124422
SunEditor from 3.0.0 before 3.4.0 contains a stored cross-site scripting vulnerability in html.clean() that rebuilds iframes from data-se-iframe-holder-attrs JSON without filtering srcdoc or uppercase SRC keys. Attackers can inject crafted HTML through paste, html.set, or html.insert to execute script in the host page origin when victims load or paste the content.
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The sources do not list affected products or versions for this vulnerability yet.
0.2%14th percentile
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Published
First publication at the source
Collected
First seen by Baba Yaga Security