Description

Shop manager Remote Code Execution (RCE) in CTX Feed <= 6.6.42 versions.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "9.1",
  "pubDate": "2026-08-06T15:17:23.927Z",
  "pubdate": "2026-08-06T15:17:23.927Z",
  "executiveSummary": "A Remote Code Execution vulnerability exists in the CTX Feed plugin for WordPress, affecting versions up to and including 6.6.42. The flaw allows authenticated attackers with Shop Manager privileges to execute arbitrary code on the underlying operating system. The vulnerability arises from improper input validation and insecure handling of data within the plugin functionality exposed to users holding specific administrative or managerial roles. Successful exploitation of this vulnerability grants the attacker the ability to compromise the confidentiality, integrity, and availability of the affected WordPress site and its underlying server infrastructure. The risk implication is severe, as an attacker with low-privileged or mid-tiered administrative capabilities can elevate their access to full system execution. Exploitation requires the attacker to possess authenticated access to the WordPress dashboard with Shop Manager privileges, meaning an attacker must first compromise such an account or leverage existing credentials to execute the attack vector.",
  "technicalDetails": "The vulnerability resides in the CTX Feed plugin up to version 6.6.42, specifically within the components handling administrative feeds or configurations accessible to users assigned the Shop Manager role. The root cause stems from insufficient sanitization, filtering, and validation of user-supplied input before it is processed by backend execution sinks. Insecure deserialization, dynamic code evaluation, or flawed file write mechanisms within the vulnerable component enable malicious payloads to be interpreted and executed by the server environment.\nThe attack flow proceeds as follows: First, an authenticated actor possessing Shop Manager privileges navigates to the specific administrative interface provided by the CTX Feed plugin. Second, the attacker crafts a malicious request containing specially engineered payloads designed to bypass weak input validation filters. Third, the application processes the untrusted input and passes it to an unsafe execution sink or writes it to a file location accessible via the web root. Fourth, the server evaluates or executes the injected payload, resulting in arbitrary Remote Code Execution within the context of the web server process.\nThe vulnerable component requires the attacker to authenticate to the WordPress instance, specifically verifying that the user session holds the Shop Manager capability. Network exposure is constrained by the requirement of administrative interface access, meaning the target must expose the WordPress login and dashboard to the attacker. Post-exploitation impact includes full system compromise, database exfiltration, installation of backdoors, lateral movement within the internal network, and deployment of secondary malware payloads."
}