CVE-2023-53891

Blackcat CMS 1.4 contains a stored cross-site scripting vulnerability that allows authenticated users to inject malicious scripts into page content. Attackers can insert JavaScript payloads in the page modification interface that execute when other users view the compromised page.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://blackcat-cms.org/	Product
https://www.exploit-db.com/exploits/51604	Exploit Third Party Advisory VDB Entry
https://www.vulncheck.com/advisories/blackcat-cms-stored-cross-site-scripting-via-page-modification	Third Party Advisory
https://www.exploit-db.com/exploits/51604	Exploit Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:blackcat-cms:blackcat_cms:1.4:*:*:*:*:*:*:*

History

17 Dec 2025, 15:35

Type	Values Removed	Values Added
CPE		cpe:2.3:a:blackcat-cms:blackcat_cms:1.4:::::::*
First Time		Blackcat-cms blackcat Cms Blackcat-cms
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.4
References	~~() https://blackcat-cms.org/ -~~	() https://blackcat-cms.org/ - Product
References	~~() https://www.exploit-db.com/exploits/51604 -~~	() https://www.exploit-db.com/exploits/51604 - Exploit, Third Party Advisory, VDB Entry
References	~~() https://www.vulncheck.com/advisories/blackcat-cms-stored-cross-site-scripting-via-page-modification -~~	() https://www.vulncheck.com/advisories/blackcat-cms-stored-cross-site-scripting-via-page-modification - Third Party Advisory

15 Dec 2025, 22:15

Type	Values Removed	Values Added
References	~~() https://www.exploit-db.com/exploits/51604 -~~	() https://www.exploit-db.com/exploits/51604 -

15 Dec 2025, 21:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-12-15 21:15

Updated : 2025-12-17 15:35

NVD link : CVE-2023-53891

Mitre link : CVE-2023-53891

CVE.ORG link : CVE-2023-53891

JSON object : View

Products Affected

blackcat-cms

blackcat_cms

CWE

CWE-79

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

{"id": "CVE-2023-53891", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.3}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.1, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "LOW", "vulnIntegrityImpact": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2025-12-15T21:15:52.390", "references": [{"url": "https://blackcat-cms.org/", "tags": ["Product"], "source": "disclosure@vulncheck.com"}, {"url": "https://www.exploit-db.com/exploits/51604", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/blackcat-cms-stored-cross-site-scripting-via-page-modification", "tags": ["Third Party Advisory"], "source": "disclosure@vulncheck.com"}, {"url": "https://www.exploit-db.com/exploits/51604", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Blackcat CMS 1.4 contains a stored cross-site scripting vulnerability that allows authenticated users to inject malicious scripts into page content. Attackers can insert JavaScript payloads in the page modification interface that execute when other users view the compromised page."}], "lastModified": "2025-12-17T15:35:35.147", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:blackcat-cms:blackcat_cms:1.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "42E5E4E4-1798-4CE1-A926-B9B595ABADEA"}], "operator": "OR"}]}], "sourceIdentifier": "disclosure@vulncheck.com"}