CVE-2013-5583 Joomla! Cross-site Scripting vulnerability

What is CVE-2013-5583?

CVE-2013-5583 is a medium-severity cross-site scripting vulnerability in Joomla Joomla\!, published on 29 Dec 2013. 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

Cross-site scripting (XSS) vulnerability in libraries/idna_convert/example.php in Joomla! 3.1.5 allows remote attackers to inject arbitrary web script or HTML via the lang parameter.

Weakness: CWE-79

Which versions are affected by CVE-2013-5583?

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

Products include Joomla Joomla\!.

How do I fix CVE-2013-5583?

Upgrade joomla/joomla-cms to 3.1.6 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-2013-5583 being exploited?

There is no known exploitation of CVE-2013-5583 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-5xmg-w578-gq5j.