CVE-2007-4190 Joomla! vulnerable to CRLF injection

What is CVE-2007-4190?

CVE-2007-4190 is a medium-severity cross-site scripting vulnerability in Joomla Joomla\!, published on 8 Aug 2007. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

CRLF injection vulnerability in Joomla! before 1.0.13 (aka Sunglow) allows remote attackers to inject arbitrary HTTP headers and probably conduct HTTP response splitting attacks via CRLF sequences in the url parameter. NOTE: this can be leveraged for cross-site scripting (XSS) attacks. NOTE: some of these details are obtained from third party information.

Weakness: CWE-74

Which versions are affected by CVE-2007-4190?

2 open source packages ship an affected version, including joomla/application. It affects 1 product.

Products include Joomla Joomla\!.

How do I fix CVE-2007-4190?

Upgrade joomla/application to 1.0.13 or later.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2007-4190 being exploited?

There is no known exploitation of CVE-2007-4190 in the wild and no public exploit code.

Other vulnerabilities in Joomla Joomla\!

• CVE-2016-10033 PHPMailer Command Injection Exploited Critical 9.8
• CVE-2023-23752 Joomla! Improper Access Control Exploited Medium 5.3
• CVE-2026-48902 Joomla! Core - [20260518] - Transport encryption downgrade for password and username reset links Critical 9.8
• CVE-2025-25226 [20250401] - Joomla Framework - SQL injection vulnerability in quoteNameStr method of Database package Critical 9.8
• CVE-2022-23795 [20220303] - Core - User row are not bound to a authentication mechanism Critical 9.8

All Joomla Joomla\! vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-h22q-g2c7-2jwj.