CVE-2026-48954 - Vulnerability Details - OpenCVE

Improper validation leads to a generic XSS vector in the language override feature.

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

No data.

No data.

No data.

No data.

References

Link	Providers
https://developer.joomla.org/security-centre/1062-20260708-core-xss-through-language-overrides.html

History

Tue, 07 Jul 2026 19:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 07 Jul 2026 18:15:00 +0000

Type	Values Removed	Values Added
Description		Improper validation leads to a generic XSS vector in the language override feature.
Title		Joomla! Core - [20260708] - XSS through language overrides
Weaknesses		CWE-79
References		https://developer.joomla.org/security-centre/1062-20260708-core-xss-through-language-overrides.html
Metrics		cvssV4_0 `{'score': 5.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U'}`

MITRE

Status: PUBLISHED

Assigner: Joomla

Published: 2026-07-07T17:29:28.797Z

Updated: 2026-07-07T18:43:57.346Z

Reserved: 2026-05-26T16:47:13.550Z

Link: CVE-2026-48954

Vulnrichment

Updated: 2026-07-07T18:43:42.265Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

No data.

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