CVE-2021-23836

An issue was discovered in flatCore before 2.0.0 build 139. A stored XSS vulnerability was identified in the prefs_smtp_psw HTTP request body parameter for the acp interface. An admin user can inject malicious client-side script into the affected parameter without any form of input sanitization. The injected payload will be executed in the browser of a user whenever one visits the affected module page.

CVSS v3 4.8 MEDIUM
CVSS v2.0 3.5 LOW

4.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.7 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

3.5^/10

CVSS v2.0 : LOW

Vector : AV:N/AC:M/Au:S/C:N/I:P/A:N

Exploitability : 6.8 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
http://packetstormsecurity.com/files/160936/flatCore-CMS-XSS-File-Disclosure-SQL-Injection.html	Exploit Third Party Advisory VDB Entry
https://github.com/flatCore/flatCore-CMS	Product Third Party Advisory
https://sec-consult.com/vulnerability-lab/	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:flatcore:flatcore:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-01-15 07:15

Updated : 2024-02-28 18:08

NVD link : CVE-2021-23836

Mitre link : CVE-2021-23836

CVE.ORG link : CVE-2021-23836

JSON object : View

Products Affected

flatcore

flatcore

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

{"id": "CVE-2021-23836", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 3.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 6.8, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 4.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 1.7}]}, "published": "2021-01-15T07:15:14.033", "references": [{"url": "http://packetstormsecurity.com/files/160936/flatCore-CMS-XSS-File-Disclosure-SQL-Injection.html", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://github.com/flatCore/flatCore-CMS", "tags": ["Product", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://sec-consult.com/vulnerability-lab/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in flatCore before 2.0.0 build 139. A stored XSS vulnerability was identified in the prefs_smtp_psw HTTP request body parameter for the acp interface. An admin user can inject malicious client-side script into the affected parameter without any form of input sanitization. The injected payload will be executed in the browser of a user whenever one visits the affected module page."}, {"lang": "es", "value": "Se detect\u00f3 un problema en flatCore versiones anteriores a 2.0.0 build 139. Se identific\u00f3 una vulnerabilidad de tipo XSS almacenado en el par\u00e1metro del cuerpo de una petici\u00f3n HTTP prefs_smtp_psw para la interfaz acp. Un usuario administrador puede inyectar un script malicioso del lado del cliente en el par\u00e1metro afectado sin ning\u00fan tipo de saneamiento de la entrada. La carga \u00fatil inyectada ser\u00e1 ejecutada en el navegador de un usuario cada vez que visite la p\u00e1gina del m\u00f3dulo afectado"}], "lastModified": "2021-01-22T16:56:34.210", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:flatcore:flatcore:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "295D969A-0491-4679-8414-BDCCA13B7563", "versionEndIncluding": "2.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}