What’s Vulnerable › Vulnerabilities

CVE-2018-6378

• Severity: medium (CVSS 6.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-05-22 · updated 2026-06-17
• Weakness: CWE-79

Description

In Joomla! Core before 3.8.8, inadequate filtering of file and folder names leads to various XSS attack vectors in the media manager.

Affected products

• Joomla!: before 3.8.8 — fixed in 3.8.8

How to fix

Upgrade to a fixed version: Joomla! 3.8.8. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/104268
• http://www.securitytracker.com/id/1040966
• https://developer.joomla.org/security-centre/737-20180509-core-xss-vulnerability-in-the-media-manager.html
• http://www.securityfocus.com/bid/104268
• http://www.securitytracker.com/id/1040966
• https://developer.joomla.org/security-centre/737-20180509-core-xss-vulnerability-in-the-media-manager.html

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