CVE-2021-4436 - Vulnerability Details - OpenCVE

Description

The 3DPrint Lite WordPress plugin before 1.9.1.5 does not have any authorisation and does not check the uploaded file in its p3dlite_handle_upload AJAX action , allowing unauthenticated users to upload arbitrary file to the web server. However, there is a .htaccess, preventing the file to be accessed on Web servers such as Apache.

Published: 2024-02-05

Score: 9.8 Critical

EPSS: 76.9% High

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Unknown

3DPrint Lite

unaffected

Version	Status	Constraints
`0`	affected	< 1.9.1.5

Configuration 1 [-]

cpe:2.3:a:wp3dprinting:3dprint_lite:*:*:*:*:*:wordpress:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.76904.

Exploitation poc

Automatable yes

Technical Impact total

References

Link	Providers
https://wpscan.com/vulnerability/c46ecd0d-a132-4ad6-b936-8acde3a09282/

History

Fri, 09 Jan 2026 21:15:00 +0000

Type	Values Removed	Values Added
CPEs		cpe:2.3:a:wp3dprinting:3dprint_lite:-:::::wordpress::
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Wp3dprinting 3dprint Lite

MITRE

Status: PUBLISHED

Assigner: WPScan

Published: 2024-02-05T09:02:44.634Z

Updated: 2026-01-09T21:05:31.460Z

Reserved: 2024-02-05T08:57:43.929Z

Link: CVE-2021-4436

Vulnrichment

Updated: 2024-08-03T17:30:07.527Z

NVD

Status : Modified

Published: 2024-02-05T09:15:43.013

Modified: 2024-11-21T06:37:43.550

Link: CVE-2021-4436

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-434

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2021-4436", "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "state": "PUBLISHED", "assignerShortName": "WPScan", "dateReserved": "2024-02-05T08:57:43.929Z", "datePublished": "2024-02-05T09:02:44.634Z", "dateUpdated": "2026-01-09T21:05:31.460Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan", "dateUpdated": "2024-02-05T09:02:44.634Z"}, "title": "3DPrint Lite < 1.9.1.5 - Unauthenticated Arbitrary File Upload", "problemTypes": [{"descriptions": [{"description": "CWE-434 Unrestricted Upload of File with Dangerous Type", "lang": "en", "type": "CWE"}]}], "affected": [{"vendor": "Unknown", "product": "3DPrint Lite", "versions": [{"status": "affected", "versionType": "semver", "version": "0", "lessThan": "1.9.1.5"}], "defaultStatus": "unaffected", "collectionURL": "https://wordpress.org/plugins"}], "descriptions": [{"lang": "en", "value": "The 3DPrint Lite WordPress plugin before 1.9.1.5 does not have any authorisation and does not check the uploaded file in its p3dlite_handle_upload AJAX action , allowing unauthenticated users to upload arbitrary file to the web server. However, there is a .htaccess, preventing the file to be accessed on Web servers such as Apache."}], "references": [{"url": "https://wpscan.com/vulnerability/c46ecd0d-a132-4ad6-b936-8acde3a09282/", "tags": ["exploit", "vdb-entry", "technical-description"]}], "credits": [{"lang": "en", "value": "Spacehen", "type": "finder"}, {"lang": "en", "value": "WPScan", "type": "coordinator"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "WPScan CVE Generator"}}, "adp": [{"affected": [{"vendor": "wp3dprinting", "product": "3dprint_lite", "cpes": ["cpe:2.3:a:wp3dprinting:3dprint_lite:-:*:*:*:*:wordpress:*:*"], "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "lessThan": "1.9.1.5", "versionType": "semver"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2024-02-06T18:58:37.574670Z", "id": "CVE-2021-4436", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-09T21:05:31.460Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:30:07.527Z"}, "title": "CVE Program Container", "references": [{"url": "https://wpscan.com/vulnerability/c46ecd0d-a132-4ad6-b936-8acde3a09282/", "tags": ["exploit", "vdb-entry", "technical-description", "x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://wpscan.com/vulnerability/c46ecd0d-a132-4ad6-b936-8acde3a09282/", "tags": ["exploit", "vdb-entry", "technical-description", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:30:07.527Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2021-4436", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-02-06T18:58:37.574670Z"}}}], "affected": [{"cpes": ["cpe:2.3:a:wp3dprinting:3dprint_lite:-:*:*:*:*:wordpress:*:*"], "vendor": "wp3dprinting", "product": "3dprint_lite", "versions": [{"status": "affected", "version": "0", "lessThan": "1.9.1.5", "versionType": "semver"}], "defaultStatus": "unaffected"}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-07-15T20:35:17.581Z"}}], "cna": {"title": "3DPrint Lite < 1.9.1.5 - Unauthenticated Arbitrary File Upload", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "Spacehen"}, {"lang": "en", "type": "coordinator", "value": "WPScan"}], "affected": [{"vendor": "Unknown", "product": "3DPrint Lite", "versions": [{"status": "affected", "version": "0", "lessThan": "1.9.1.5", "versionType": "semver"}], "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected"}], "references": [{"url": "https://wpscan.com/vulnerability/c46ecd0d-a132-4ad6-b936-8acde3a09282/", "tags": ["exploit", "vdb-entry", "technical-description"]}], "x_generator": {"engine": "WPScan CVE Generator"}, "descriptions": [{"lang": "en", "value": "The 3DPrint Lite WordPress plugin before 1.9.1.5 does not have any authorisation and does not check the uploaded file in its p3dlite_handle_upload AJAX action , allowing unauthenticated users to upload arbitrary file to the web server. However, there is a .htaccess, preventing the file to be accessed on Web servers such as Apache."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "description": "CWE-434 Unrestricted Upload of File with Dangerous Type"}]}], "providerMetadata": {"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan", "dateUpdated": "2024-02-05T09:02:44.634Z"}}}, "cveMetadata": {"cveId": "CVE-2021-4436", "state": "PUBLISHED", "dateUpdated": "2026-01-09T21:05:31.460Z", "dateReserved": "2024-02-05T08:57:43.929Z", "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "datePublished": "2024-02-05T09:02:44.634Z", "assignerShortName": "WPScan"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:wp3dprinting:3dprint_lite:*:*:*:*:*:wordpress:*:*", "matchCriteriaId": "65F6B829-EBB0-4DFA-8CAC-EE0BB929B1A7", "versionEndExcluding": "1.9.1.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "The 3DPrint Lite WordPress plugin before 1.9.1.5 does not have any authorisation and does not check the uploaded file in its p3dlite_handle_upload AJAX action , allowing unauthenticated users to upload arbitrary file to the web server. However, there is a .htaccess, preventing the file to be accessed on Web servers such as Apache."}, {"lang": "es", "value": "El complemento 3DPrint Lite de WordPress anterior a 1.9.1.5 no tiene ninguna autorizaci\u00f3n y no verifica el archivo cargado en su acci\u00f3n p3dlite_handle_upload AJAX, lo que permite a usuarios no autenticados cargar archivos arbitrarios al servidor web. Sin embargo, existe un .htaccess que impide acceder al archivo en servidores web como Apache."}], "id": "CVE-2021-4436", "lastModified": "2024-11-21T06:37:43.550", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-02-05T09:15:43.013", "references": [{"source": "contact@wpscan.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://wpscan.com/vulnerability/c46ecd0d-a132-4ad6-b936-8acde3a09282/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://wpscan.com/vulnerability/c46ecd0d-a132-4ad6-b936-8acde3a09282/"}], "sourceIdentifier": "contact@wpscan.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-434"}], "source": "nvd@nist.gov", "type": "Primary"}]}