Unrated severityNVD Advisory· Published Aug 10, 2023· Updated Oct 4, 2024
Notes attachment render HTML in preview mode
CVE-2023-39955
Description
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.
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Affected products
2- Range: >=4.4.0 <4.8.0
- nextcloud/security-advisoriesv5Range: >= 4.4.0, < 4.8.0
Patches
Vulnerability mechanics
References
3- github.com/nextcloud/notes/pull/1031mitrex_refsource_MISC
- github.com/nextcloud/security-advisories/security/advisories/GHSA-6g88-37x7-4vw6mitrex_refsource_CONFIRM
- hackerone.com/reports/1924355mitrex_refsource_MISC
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