CVE-2026-90906

Joomla! Core - [20260901] - XSS in HTMLHelper::link method in Joomla 1.5.0-5.4.8, 6.0.0-6.1.3 - Lack of escaping leads to XSS vulnerabilities in the link method of the HTML Helper.

CVSS v3 8.3 HIGH

8.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.7 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact LOW

Scope CHANGED

References

Link	Resource
https://developer.joomla.org/security-centre/1081-20260901-core-xss-in-htmlhelper-link-method.html	Patch Vendor Advisory
https://www.joomla.org/	Product

Configurations

Configuration 1 (hide)

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

History

06 Oct 2026, 16:48

Type	Values Removed	Values Added
CPE		cpe:2.3:a:joomla:joomla\!::::::::
References	~~() https://developer.joomla.org/security-centre/1081-20260901-core-xss-in-htmlhelper-link-method.html -~~	() https://developer.joomla.org/security-centre/1081-20260901-core-xss-in-htmlhelper-link-method.html - Patch, Vendor Advisory
References	~~() https://www.joomla.org/ -~~	() https://www.joomla.org/ - Product
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 8.3
First Time		Joomla joomla\! Joomla

29 Sep 2026, 17:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-29 17:17

Updated : 2026-10-06 16:48

NVD link : CVE-2026-90906

Mitre link : CVE-2026-90906

CVE.ORG link : CVE-2026-90906

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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