Vulnerability DatabaseCVE-2026-92232
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CVE-2026-92232
Published:September 29, 2026
Updated:October 15, 2026
Joomla! Core - [20260916] - Core - XSS filter bypass in InputFilter via whitespace characters in HTML data URIs in Joomla 1.5.0-5.4.8, 6.0.0-6.1.3 - The cleanAttribute method removes HTML data URIs, however injected whitespaces characters could circumvent that cleanup, causing an XSS vector.
Affected Packages
https://github.com/joomla-framework/filter.git (GITHUB):
Affected version(s) >=4.0.0 <4.1.1
Fix Suggestion:
Update to version 4.1.1
https://github.com/joomla-framework/filter.git (GITHUB):
Affected version(s) >=3.0.0 <3.0.7
Fix Suggestion:
Update to version 3.0.7
joomla/filter (PHP):
Affected version(s) >=3.0.0 <3.0.7
Fix Suggestion:
Update to version 3.0.7
joomla/filter (PHP):
Affected version(s) >=4.0.0 <4.1.1
Fix Suggestion:
Update to version 4.1.1
Related Resources (2)
https://www.joomla.org/
https://developer.joomla.org/security-centre/1096-20260916-core-xss-filter-bypass-in-inputfilter-via-whitespace-characters-in-html-data-uris.html
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CVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
POC
CVSS v3
Base Score:
6.4
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
LOW
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-79
EPSS
Base Score:
0.24