CVE-2026-15011

emarket-design · Customer Support Ticket System & Helpdesk

The Customer Support Ticket System & Helpdesk WordPress plugin is vulnerable to unauthenticated code injection via the path parameter, allowing attackers to invoke arbitrary PHP functions.

Executive summary

A critical vulnerability in the Customer Support Ticket System & Helpdesk plugin allows unauthenticated attackers to execute arbitrary code, posing a severe risk to site integrity and data security.

Vulnerability

This is a code injection vulnerability stemming from insufficient validation of the path parameter. An unauthenticated attacker can trigger dynamic function invocation to execute arbitrary parameterless PHP functions on the target server.

Business impact

Successful exploitation allows an attacker to manipulate server-side processes, which can lead to full site compromise, unauthorized data exposure, or total service disruption. With a CVSS score of 9.8, this vulnerability represents an extreme risk to business operations and sensitive customer data.

Remediation

Immediate Action: Update the Customer Support Ticket System & Helpdesk plugin to version 6.0.6 or later immediately.

Proactive Monitoring: Review web server access logs for anomalous requests containing path parameters or unexpected function calls.

Compensating Controls: Deploy a Web Application Firewall (WAF) with rules configured to block suspicious input patterns targeting plugin-specific parameters until the update is applied.

Exploitation status

Public Exploit Available: No confirmed public weaponized exploit found in curated databases.

Analyst recommendation

Given the critical nature of this vulnerability and the potential for total system compromise, administrators must prioritize updating the plugin to version 6.0.6. Failure to patch leaves the WordPress instance exposed to trivial remote exploitation.