CVE-2022-50898
NanoCMS 0.4 - Remote Code Execution (RCE) (Authenticated)
- State
- Published
- Severity
- 8.6 High
- Published
- Jan 13, 2026
- Updated
- Jan 29, 2026
- Reserved
- Jan 10, 2026
Description
NanoCMS 0.4 contains an authenticated file upload vulnerability that allows remote code execution through unvalidated page content creation. Authenticated attackers can upload PHP files with arbitrary code to the server's pages directory by exploiting the page creation mechanism without proper input sanitization.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.6 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-434 Unrestricted Upload of File with Dangerous Type
Affected Products
| Product | Versions |
|---|---|
NanoCMSkalyan02 |
|
References
- ExploitDB-50997exploit
- NanoCMS GitHub Repositoryproduct
- NanoCMS Exploit Archiveexploit
- VulnCheck Advisory: NanoCMS 0.4 - Remote Code Execution (RCE) (Authenticated)third-party-advisory
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