Nextcloud · Nextcloud Server · CVE-2022-24888
**Name of the Vulnerable Software and Affected Versions**
Nextcloud Server versions prior to 20.0.14.4, 21.0.8, 22.2.4, and 23.0.1
**Description**
The issue allows creating files and folders with leading and trailing `
`, `r`, `t`, and `v` characters. The server rejects these characters when they appear in the middle of file or folder names, which might provide an opportunity for injection.
**Recommendations**
For versions prior to 20.0.14.4, update to version 20.0.14.4 or later.
For versions prior to 21.0.8, update to version 21.0.8 or later.
For versions prior to 22.2.4, update to version 22.2.4 or later.
For versions prior to 23.0.1, update to version 23.0.1 or later.