CVE-2022-50898
CVSS v3
8.8
HIGH
EPSS Score
1.3 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2026-01-13
- Last Modified
- 2026-01-29
Frequently asked questions
What is CVE-2022-50898?
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.
Is CVE-2022-50898 actively exploited?
Active exploitation of CVE-2022-50898 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-50898?
CVE-2022-50898 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2022-50898 affecting your environment?
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