Authenticated File Upload Vulnerability in NanoCMS by Kalyan
CVE-2022-50898

8.6HIGH

Key Information:

Vendor

Kalyan02

Status
Nanocms
Vendor
CVE Published:
13 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2022-50898?

NanoCMS version 0.4 has a vulnerability that permits authenticated users to upload PHP files containing arbitrary code on the server due to insufficient input validation. This flaw arises from the page creation mechanism, which does not adequately sanitize user inputs. By exploiting this vulnerability, attackers with valid credentials can execute malicious code, leading to potential compromise of the server and its data.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

Affected Version(s)

NanoCMS 0.4

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2022-50898 - Proof of Concept

CVE-2022-50898 - Proof of Concept

References

https://www.exploit-db.com/exploits/50997
exploit
https://github.com/kalyan02/NanoCMS
product
https://github.com/ishell/Exploits-Archives/blob/master/2...
exploit

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

p1ckzi
JSON
.