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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
3.5 LOW
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
GitHub_MCNA
3.5 LOW
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CVEADP
---
---
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 70%
VendorProductVersion
nextcloudnotes
4.4.0 ≤
𝑥
< 4.8.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/nextcloud/notes/pull/1031
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6g88-37x7-4vw6
https://hackerone.com/reports/1924355
https://github.com/nextcloud/notes/pull/1031
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6g88-37x7-4vw6
https://hackerone.com/reports/1924355