What’s Vulnerable › Vulnerabilities

CVE-2018-17858

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-10-09 · updated 2026-06-17
• Weakness: CWE-352

Description

An issue was discovered in Joomla! before 3.8.13. com_installer actions do not have sufficient CSRF hardening in the backend.

Affected products

• Joomla!: from 2.5.0 before 3.8.13 — fixed in 3.8.13

How to fix

Upgrade to a fixed version: Joomla! 3.8.13. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/105559
• http://www.securitytracker.com/id/1041914
• https://developer.joomla.org/security-centre/755-20181005-core-csrf-hardening-in-com-installer.html
• http://www.securityfocus.com/bid/105559
• http://www.securitytracker.com/id/1041914
• https://developer.joomla.org/security-centre/755-20181005-core-csrf-hardening-in-com-installer.html

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