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DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. A url could be crafted to the DNN ImageHandler to render text from a querystring parameter. This text would display in the resulting image and a user that trusts the domain might think that the information is legitimate. This vulnerability is fixed in 9.13.4.
Reserved 2025-04-06 | Published 2025-04-09 | Updated 2025-04-09 | Assigner GitHub_MCWE-451: User Interface (UI) Misrepresentation of Critical Information
github.com/...atform/security/advisories/GHSA-2rrc-g594-rhqw
github.com/...ommit/5def7cc2e7931bb1041b21540bde99f96874a5a9
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