CVE-2026-48903: Inadequate content filtering within the checkAttribute methods leads to XSS vulnerabilities in various components.

PriorityP425medium6.1CVSS 3.1

AVNACLPRNUIRSCCLILAN

EPSS

0.14%

4.0th percentile

Inadequate content filtering within the checkAttribute methods leads to XSS vulnerabilities in various components.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
joomla!_project	joomla!_framework_filter_package	—	—
joomla!_project	joomla!_framework_filter_package	—	—
joomla	joomla_!	>= 3.0.0 < 5.4.6	5.4.6
joomla	joomla_!	>= 6.0.0 < 6.1.1	6.1.1

CVSS provenance

nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

nvdv4.06.9MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:L/VA:L/SC:N/SI:N/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

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