CVE-2026-12923

WordPress · Youtube Showcase

The Youtube Showcase plugin for WordPress is vulnerable to an Arbitrary Function Call, allowing attackers to execute unintended code via the plugin's interface.

Executive summary

The Youtube Showcase plugin for WordPress contains an Arbitrary Function Call vulnerability that could allow an attacker to execute unauthorized code.

Vulnerability

The plugin fails to properly validate inputs, leading to an Arbitrary Function Call vulnerability. This flaw can be leveraged by an attacker to execute functions within the application context, potentially leading to full site compromise.

Business impact

An Arbitrary Function Call is a severe security flaw that can lead to remote code execution, unauthorized site administration, or complete data exfiltration. The CVSS score of 7.5 highlights the high risk this vulnerability poses to the availability and security of the affected WordPress instance.

Remediation

Immediate Action: Update the Youtube Showcase plugin to the latest version released by the developer.

Proactive Monitoring: Monitor server logs for unexpected function execution patterns or unusual administrative actions initiated through the plugin.

Compensating Controls: Disable the plugin entirely until a secure version is deployed if immediate patching is not feasible.

Exploitation status

Public Exploit Available: false

Analyst recommendation

Arbitrary function vulnerabilities are critical as they often serve as a gateway to complete system takeover. IT administrators must treat this update with high priority to prevent unauthorized code execution and maintain the security posture of their web infrastructure.