FKIE_CVE-2022-50898
Vulnerability from fkie_nvd - Published: 2026-01-13 23:15 - Updated: 2026-01-29 14:16
Severity
Summary
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.
References
{
"configurations": [
{
"nodes": [
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"cpeMatch": [
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"criteria": "cpe:2.3:a:kalyan02:nanocms:0.4:*:*:*:*:*:*:*",
"matchCriteriaId": "BF61FF4D-D98D-41FD-8DB6-222EDE01B34E",
"vulnerable": true
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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\u0027s pages directory by exploiting the page creation mechanism without proper input sanitization."
},
{
"lang": "es",
"value": "NanoCMS 0.4 contiene una vulnerabilidad de carga de archivos autenticada que permite la ejecuci\u00f3n remota de c\u00f3digo a trav\u00e9s de la creaci\u00f3n de contenido de p\u00e1gina no validado. Atacantes autenticados pueden subir archivos PHP con c\u00f3digo arbitrario al directorio de p\u00e1ginas del servidor explotando el mecanismo de creaci\u00f3n de p\u00e1ginas sin una sanitizaci\u00f3n de entrada adecuada."
}
],
"id": "CVE-2022-50898",
"lastModified": "2026-01-29T14:16:11.793",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"impactScore": 5.9,
"source": "disclosure@vulncheck.com",
"type": "Secondary"
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"cvssMetricV40": [
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"cvssData": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 8.6,
"baseSeverity": "HIGH",
"confidentialityRequirement": "NOT_DEFINED",
"exploitMaturity": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"privilegesRequired": "HIGH",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "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",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
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"source": "disclosure@vulncheck.com",
"type": "Secondary"
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"published": "2026-01-13T23:15:51.833",
"references": [
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"source": "disclosure@vulncheck.com",
"tags": [
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"url": "https://github.com/ishell/Exploits-Archives/blob/master/2009-exploits/0904-exploits/nanocms-multi.txt"
},
{
"source": "disclosure@vulncheck.com",
"tags": [
"Product"
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"url": "https://github.com/kalyan02/NanoCMS"
},
{
"source": "disclosure@vulncheck.com",
"tags": [
"Exploit"
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"url": "https://www.exploit-db.com/exploits/50997"
},
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"source": "disclosure@vulncheck.com",
"tags": [
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"url": "https://www.vulncheck.com/advisories/nanocms-remote-code-execution-rce-authenticated"
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"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"sourceIdentifier": "disclosure@vulncheck.com",
"vulnStatus": "Modified",
"weaknesses": [
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"value": "CWE-434"
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"source": "disclosure@vulncheck.com",
"type": "Primary"
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"description": [
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"source": "nvd@nist.gov",
"type": "Secondary"
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]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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