UpHeron
All vulnerabilities

Servers and applications

CVE-2023-39963

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 20.0.0 and prior to versions 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1, a missing password confirmation allowed an attacker, after successfully stealing a session from a logged in user, to create app passwords for the victim. Nextcloud server versions…

Severity
High 7.8
Published
10 Aug 2023
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
21.0.9.13, 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, 26.0.4
Sources
NVD

Affected software

SoftwareAffected versions
NextcloudServers and applications · cpe:a:nextcloud:nextcloud_server
  • Version 27.0.0
  • From 26.0.0 before 26.0.4
  • From 25.0.0 before 25.0.9
  • From 24.0.0 before 24.0.12.5
All 8 release lines
  • From 20.0.0 before 20.0.14.15
  • From 21.0.0 before 21.0.9.13
  • From 22.0.0 before 22.2.10.14
  • From 23.0.0 before 23.0.12.9
  • From 24.0.0 before 24.0.12.5
  • From 25.0.0 before 25.0.9
  • From 26.0.0 before 26.0.4
  • Version 27.0.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-39963
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-39963