What’s Vulnerable › Vulnerabilities

CVE-2018-17857

• Severity: medium (CVSS 4.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% 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-863

Description

An issue was discovered in Joomla! before 3.8.13. Inadequate checks on the tags search fields can lead to an access level violation.

Affected products

• Joomla!: from 3.1.0 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/753-20181003-core-access-level-violation-in-com-tags
• http://www.securityfocus.com/bid/105559
• http://www.securitytracker.com/id/1041914
• https://developer.joomla.org/security-centre/753-20181003-core-access-level-violation-in-com-tags

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