SB2023013119 - Multiple vulnerabilities in Joomla!

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Improper access control (CVE-ID: CVE-2023-23751)

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote unprivileged user can access com_actionlogs and obtain potentially sensitive information.

2) Cross-site request forgery (CVE-ID: CVE-2023-23750)

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin when handling post-installation messages. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Remediation

Install update from vendor's website.

References

• https://developer.joomla.org/security-centre/891-20230102-core-missing-acl-checks-for-com-actionlogs.html
• https://developer.joomla.org/security-centre/890-20230101-core-csrf-within-post-installation-messages.html