CVE-2026-54834

Object · Object Cache 4 everyone

An unauthenticated sensitive data exposure vulnerability exists in the Object Cache 4 everyone plugin, potentially leaking internal system data.

Executive summary

The Object Cache 4 everyone plugin contains an unauthenticated sensitive data exposure flaw, which could result in the unauthorized disclosure of protected information.

Vulnerability

The plugin fails to properly restrict access to sensitive data, allowing unauthenticated attackers to retrieve information that should be protected. This indicates a lack of sufficient authentication or authorization checks on specific data-handling endpoints.

Business impact

The exposure of sensitive data can lead to information disclosure, potentially revealing system configurations, session data, or proprietary information that could be leveraged for further attacks. With a CVSS score of 7.5 (High), this vulnerability necessitates immediate attention to ensure the confidentiality of the data managed by the plugin.

Remediation

Immediate Action: Update the plugin to the latest version provided by the vendor to resolve the access control deficiency.

Proactive Monitoring: Review application and database logs for unauthorized queries or unusual read operations associated with the plugin.

Compensating Controls: Deploy WAF rules to filter requests that attempt to access sensitive paths or files associated with the Object Cache 4 everyone plugin.

Exploitation status

Public Exploit Available: false

Analyst recommendation

Security teams should audit their installations to identify the presence of the Object Cache 4 everyone plugin. As sensitive data exposure can have significant compliance and security implications, it is imperative to apply official vendor patches immediately. If a patch is unavailable, consider disabling the plugin until a secure version is released.