CVE-2022-50898

HIGH EPSS 61.9%
Published Jan 13, 20265mo ago · Modified Jun 17, 20261w ago
8.6 CVSS 4.0
High
Find Similar
Published Jan 13, 2026 5mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
8.6
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
61.9% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-434 Unrestricted Upload of File with Dangerous Type Resource Mgmt

Affected Products 1

VendorProductVersionRange
kalyan02nanocms0.4any

References 4

  • github.com https://github.com/ishell/Exploits-Archives/blob/master/2009-exploits/0904-exploits/nanocms-multi.txt
    Third Party Advisory
  • github.com https://github.com/kalyan02/NanoCMS
    Product
  • exploit-db.com https://www.exploit-db.com/exploits/50997
    Exploit
  • vulncheck.com https://www.vulncheck.com/advisories/nanocms-remote-code-execution-rce-authenticated
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.