CVE-2026-48954

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

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

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

Configurations

Configuration 1 (hide)

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

History

09 Jul 2026, 14:44

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~4.8~~	v2 : unknown v3 : 6.1

09 Jul 2026, 13:26

Type	Values Removed	Values Added
CPE		cpe:2.3:a:joomla:joomla\!::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 4.8
References	~~() https://developer.joomla.org/security-centre/1062-20260708-core-xss-through-language-overrides.html -~~	() https://developer.joomla.org/security-centre/1062-20260708-core-xss-through-language-overrides.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 14:44

NVD link : CVE-2026-48954

Mitre link : CVE-2026-48954

CVE.ORG link : CVE-2026-48954

JSON object : View

Products Affected

joomla

joomla\!

CWE

CWE-79

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

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