markartamonov/opennebula-cve-2025-56536Stored XSS exploit for OpenNebula Sunstone (CVE-2025-56536) with proof-of-concept payload targeting user information parameter in versions < 7.0.
Exploit Title : OpenNebula 6.10.0.1 - Stored XSS (Cross-site Scripting) in user information
Exploit Author : Mark Artamonov
Vendor Homepage : https://opennebula.io/
Tested Version : OpenNebula 6.10.0.1
Affected Versions : OpenNebula < 7.0
Affected Component : opennebula-sunstone
CVE ID : CVE-2025-56536
A stored cross-site scripting (XSS) vulnerability in opennebula v6.10.0.1 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the user information parameter.
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Upgrade to OpenNebula >=7.0.