CVE-2026-66709 CRITICAL

CVE-2026-66709: WordPress CTX Feed plugin <= 6.6.42 - Remote Code Execution (RCE) vulnerability

Vendor Webappick

Product CTX Feed

Weakness CWE-94 · Code injection

Published August 6, 2026

Last update August 6, 2026

View on NVD All CVEs

CVSS base score

9.1/10

Attack vector Network

Attack complexity Low

Privileges required High

User interaction None

Confidentiality High

Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

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

Explanation of Vulnerability in Simple Terms

02Summary

CTX Feed versions up to 6.6.42 contain a code injection vulnerability that allows high-privileged users to execute arbitrary PHP code on the site. An attacker with administrative or equivalent access can inject malicious code through the plugin's input handling, affecting confidentiality, integrity, and availability of the entire site. Update to a version newer than 6.6.42 immediately.

What an attacker can do

03Attacker Capabilities

Run their own PHP code on the site with full system access.

Potential impact on your site

04Site Impact

A compromised admin account can execute code affecting the entire site, including data theft, modification, or deletion.

Conditions required to exploit

05Prerequisites

Attacker must have high-level administrative privileges on the site.

Key dates

06Disclosure timeline

August 6, 2026 CVE published

August 6, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-66709 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/94.html AskarLabs — CWE-94 write-up Code Injection

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