CVE-2023-39955 – Notes attachment render HTML in preview mode

https://notcve.org/view.php?id=CVE-2023-39955

Notes is a note-taking app for Nextcloud, an open-source cloud platform. Starting in version 4.4.0 and prior to version 4.8.0, when creating a note file with HTML, the content is rendered in the preview instead of the file being offered to download. Nextcloud Notes app version 4.8.0 contains a patch for the issue. No known workarounds are available. Notes es una aplicación de toma de notas para Nextcloud, una plataforma en la nube de código abierto. • https://github.com/nextcloud/notes/pull/1031 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6g88-37x7-4vw6 https://hackerone.com/reports/1924355 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •