CVE-2022-50898

HIGH
2026-01-13 [email protected]
8.8
CVSS 3.1
Share

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Jan 29, 2026 - 14:16 vuln.today
Public exploit code
CVE Published
Jan 13, 2026 - 23:15 nvd
HIGH 8.8

Tags

PHP RCE Nanocms

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.

Analysis

Nanocms versions up to 0.4 is affected by unrestricted upload of file with dangerous type (CVSS 8.8).

Technical Context

This vulnerability (CWE-434: Unrestricted Upload of File with Dangerous Type) affects Nanocms. 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.

Affected Products

Vendor: Kalyan02. Product: Nanocms. Versions: up to 0.4.

Remediation

Monitor vendor advisories for a patch. Validate file types by content. Store uploads outside web root. Restrict network access to the affected service where possible.

Priority Score

64
Low Medium High Critical
KEV: 0
EPSS: +0.3
CVSS: +44
POC: +20

Share

CVE-2022-50898 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy