CVE-2026-71572

Medium

Description

Joomla! Core - [20260801] - Response header injection in download views in Joomla 3.0.0-5.4.7, 6.0.0-6.1.2 - Lack of output processing allowed a header injection in the multiple download views, leading to reflected file download / content-type confusion.

SeverityMedium

CVSS5.4

Exploit probability—

Product

Joomla\!

PublishedAug 18, 2026

First seenAug 18, 2026

Weakness typeCWE-93CWE-93

How to fix

Update

joomla joomla\!5.4.8 or later

Vendor advisories

developer.joomla.org/security-centre/1068-20260801-core-response-header-injection-in-download-views.html

Affected products

Product	Affected versions	Fixed in
joomla joomla\!	3.0.0 ≤ v < 5.4.8, 6.0.0 ≤ v ≤ 6.1.3	5.4.8

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