CVE-2026-54805

Falang · Falang Multilanguage

A privilege escalation vulnerability in the Falang multilanguage plugin allows authenticated subscribers to gain unauthorized elevated permissions.

Executive summary

A privilege escalation flaw in Falang multilanguage enables low-privileged subscribers to perform unauthorized administrative actions, creating a significant security risk.

Vulnerability

This vulnerability arises from improper authorization checks within the plugin. Authenticated users with minimal access rights can exploit this flaw to execute functions intended only for administrators.

Business impact

Successful exploitation can result in unauthorized data manipulation or site configuration changes, jeopardizing the confidentiality and integrity of the system. The CVSS score of 8.8 highlights the high severity of this vulnerability, necessitating urgent patching to prevent administrative compromise.

Remediation

Immediate Action: Update the Falang multilanguage plugin to the latest version to rectify the authorization logic errors.

Proactive Monitoring: Review application audit logs to identify any suspicious administrative actions performed by low-privileged user accounts.

Compensating Controls: Implement restrictive access policies and consider disabling the plugin until a verified patch has been successfully applied.

Exploitation status

Public Exploit Available: false

Analyst recommendation

Security teams must prioritize the remediation of this plugin to prevent privilege escalation. Updating the software remains the most effective way to secure the application against this specific threat vector.