CVE-2025-54940

An HTML injection vulnerability exists in WordPress plugin "Advanced Custom Fields" prior to 6.4.3. If this vulnerability is exploited, crafted HTML code may be rendered and page display may be tampered.

CVSS v3 3.4 LOW

3.4^/10

CVSS v3 : LOW

Vector : AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N

Exploitability : 1.7 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://jvn.jp/en/jp/JVN21048820/
https://www.advancedcustomfields.com/blog/acf-6-4-3-security-release/

Configurations

No configuration.

History

No history.

Information

Published : 2025-08-08 05:15

Updated : 2025-08-08 20:30

NVD link : CVE-2025-54940

Mitre link : CVE-2025-54940

CVE.ORG link : CVE-2025-54940

JSON object : View

Products Affected

No product.

CWE

CWE-94

Improper Control of Generation of Code ('Code Injection')

{"id": "CVE-2025-54940", "cveTags": [], "metrics": {"cvssMetricV30": [{"type": "Secondary", "source": "vultures@jpcert.or.jp", "cvssData": {"scope": "CHANGED", "version": "3.0", "baseScore": 3.4, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 1.7}], "cvssMetricV40": [{"type": "Secondary", "source": "vultures@jpcert.or.jp", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 4.6, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:N/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": "ACTIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "subIntegrityImpact": "LOW", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "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": "2025-08-08T05:15:32.317", "references": [{"url": "https://jvn.jp/en/jp/JVN21048820/", "source": "vultures@jpcert.or.jp"}, {"url": "https://www.advancedcustomfields.com/blog/acf-6-4-3-security-release/", "source": "vultures@jpcert.or.jp"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "vultures@jpcert.or.jp", "description": [{"lang": "en", "value": "CWE-94"}]}], "descriptions": [{"lang": "en", "value": "An HTML injection vulnerability exists in WordPress plugin \"Advanced Custom Fields\" prior to 6.4.3. If this vulnerability is exploited, crafted HTML code may be rendered and page display may be tampered."}, {"lang": "es", "value": "Existe una vulnerabilidad de inyecci\u00f3n HTML en el complemento de WordPress \"Advanced Custom Fields\" anterior a la versi\u00f3n 6.4.3. Si se explota esta vulnerabilidad, se podr\u00eda renderizar c\u00f3digo HTML manipulado y alterar la visualizaci\u00f3n de la p\u00e1gina."}], "lastModified": "2025-08-08T20:30:18.180", "sourceIdentifier": "vultures@jpcert.or.jp"}