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Nextcloud Server before 9.0.54 and 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 suffer from content spoofing in the files app. The location bar in the files app was not verifying the passed parameters. An attacker could craft an invalid link to a fake directory structure and use this to display an attacker-controlled error message to the user.
Use CWE-451, Nextcloud vendor hub and Nextcloud Server product page to widen CVE-2016-9467 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2025-59788, CVE-2025-47790 and CVE-2025-66512 for nearby disclosures in the same product family.