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OpenAdvisories
High · 7.1 CVE-2026-92232 EUVD-2026-89073GHSA-943m-2293-5c6p

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

Published Sep 29, 2026 · Updated Sep 30, 2026 · Assigned by Joomla

Vendor: Joomla! Project Product: Joomla! CMS Product: Joomla! Framework Filter package Category: Web / CMS

Description

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 products

VendorProductAffectedFixed
Joomla! Project Joomla! CMS 1.5.0-5.4.8, 6.0.0-6.1.3 —
Joomla! Project Joomla! Framework Filter package 1.0.0-3.0.6, 4.0.0-4.1.0 —

Advisories 1

References