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CVE-2022-50898

8.8 · HIGH

NanoCMS 0.4 contains an authenticated file upload vulnerability that allows remote code execution through unvalidated page content creation.

Published Jan 13, 2026CWE-434EPSS 1.32%

Overview

CVE-2022-50898 is a high-severity vulnerability. It was published on January 13, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/ishell/Exploits-Archives/blob/master/2009-exploits/0904-exploits/nanocms-multi.txtGitHubgithub.com/kalyan02/NanoCMSRefwww.exploit-db.com/exploits/50997Refwww.vulncheck.com/advisories/nanocms-remote-code-execution-rce-authenticatedGitHubgithub.com/ishell/Exploits-Archives/blob/master/2009-exploits/0904-exploits/nanocms-multi.txt

How CyberStrike helps

Frequently asked questions

What is CVE-2022-50898?

CVE-2022-50898 is a high-severity vulnerability. It was published on January 13, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2022-50898?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-50898?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-50898?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-50898 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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