What’s Vulnerable › Vulnerabilities

CVE-2023-23752: Joomla! Improper Access Control Vulnerability

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2024-01-08
• EPSS: 99.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-02-16 · updated 2026-06-17
• Weakness: CWE-284

Description

An issue was discovered in Joomla! 4.0.0 through 4.2.7. An improper access check allows unauthorized access to webservice endpoints.

Affected products

• Joomla!: from 4.0.0 before 4.2.8 — fixed in 4.2.8

How to fix

Upgrade to a fixed version: Joomla! 4.2.8. Check the vendor advisory for mitigations.

References

• https://developer.joomla.org/security-centre/894-20230201-core-improper-access-check-in-webservice-endpoints.html
• https://developer.joomla.org/security-centre/894-20230201-core-improper-access-check-in-webservice-endpoints.html
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-23752

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