CVE-2026-48947

An improper access check allows privileged users to overwrite media files without editing permissions.

CVSS v3 4.9 MEDIUM

4.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://developer.joomla.org/security-centre/1055-20260701-core-incorrect-access-control-in-com-media-webservice-endpoints.html	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:joomla:joomla\!::::::::
	cpe:2.3:a:joomla:joomla\!::::::::

History

09 Jul 2026, 14:26

Type	Values Removed	Values Added
CPE		cpe:2.3:a:joomla:joomla\!::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 4.9
References	~~() https://developer.joomla.org/security-centre/1055-20260701-core-incorrect-access-control-in-com-media-webservice-endpoints.html -~~	() https://developer.joomla.org/security-centre/1055-20260701-core-incorrect-access-control-in-com-media-webservice-endpoints.html - Vendor Advisory
First Time		Joomla Joomla joomla\!

07 Jul 2026, 19:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-07 19:16

Updated : 2026-07-09 14:26

NVD link : CVE-2026-48947

Mitre link : CVE-2026-48947

CVE.ORG link : CVE-2026-48947

JSON object : View

Products Affected

joomla

joomla\!

CWE

CWE-284

Improper Access Control

{"id": "CVE-2026-48947", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-48947", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-07T18:35:14.984578Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.2}], "cvssMetricV40": [{"type": "Secondary", "source": "security@joomla.org", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.4, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:H/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": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "subIntegrityImpact": "HIGH", "vulnIntegrityImpact": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "HIGH", "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"}}]}, "affected": [{"source": "security@joomla.org", "affectedData": [{"vendor": "Joomla! Project", "product": "Joomla! CMS", "versions": [{"status": "affected", "version": "4.1.0-5.4.6"}, {"status": "affected", "version": "6.0.0-6.1.1"}], "defaultStatus": "unaffected"}]}], "published": "2026-07-07T19:16:52.607", "references": [{"url": "https://developer.joomla.org/security-centre/1055-20260701-core-incorrect-access-control-in-com-media-webservice-endpoints.html", "tags": ["Vendor Advisory"], "source": "security@joomla.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security@joomla.org", "description": [{"lang": "en", "value": "CWE-284"}]}], "descriptions": [{"lang": "en", "value": "An improper access check allows privileged users to overwrite media files without editing permissions."}], "lastModified": "2026-07-09T14:26:48.667", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C0BFC416-9A95-4D08-A34D-1A79EC84648B", "versionEndExcluding": "5.4.7", "versionStartIncluding": "4.1.0"}, {"criteria": "cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B4397373-3CB3-40C2-8825-0044683AD167", "versionEndExcluding": "6.1.2", "versionStartIncluding": "6.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@joomla.org"}