CVE-2026-57661
Deferred Deferred - Pending Action
Subscriber Broken Access Control in WPComplete <= 2.9.5.5

Publication date: 2026-06-26

Last updated on: 2026-06-26

Assigner: Patchstack

Description
Subscriber Broken Access Control in WPComplete <= 2.9.5.5 versions.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-06-26
Last Modified
2026-06-26
Generated
2026-06-26
AI Q&A
2026-06-26
EPSS Evaluated
N/A
NVD
CVE-2026-57661
EUVD
EUVD-2026-39666
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
patchstack wpcomplete to 2.9.5.6 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Compliance Impact

The vulnerability in WPComplete Plugin versions 2.9.5.5 and earlier is a Broken Access Control issue that allows unprivileged users to perform higher-privileged actions due to missing authorization checks.

While the CVE description and resources do not explicitly mention compliance with standards such as GDPR or HIPAA, broken access control vulnerabilities can potentially lead to unauthorized access or modification of data, which may impact compliance with data protection regulations.

Therefore, organizations using affected versions should consider the risk of unauthorized actions and take immediate remediation steps to maintain compliance with relevant security and privacy standards.

Executive Summary

The vulnerability exists in the WordPress WPComplete Plugin versions 2.9.5.5 and earlier and is classified as Broken Access Control.

This security issue allows unprivileged users to perform actions that normally require higher privileges because of missing authorization checks in the plugin.

It is considered a low severity vulnerability with a CVSS score of 5.4 and is listed under the OWASP Top 10 category A1: Broken Access Control.

Impact Analysis

This vulnerability can allow attackers who do not have the necessary permissions to perform higher-privileged actions within the WPComplete plugin.

Such unauthorized actions could lead to integrity and availability issues in the affected WordPress site.

Attackers may exploit this vulnerability in large-scale campaigns targeting thousands of websites, increasing the risk of widespread impact.

Immediate mitigation involves updating the plugin to version 2.9.5.6 or later to prevent exploitation.

Detection Guidance

There is no specific information provided about detection methods or commands to identify this vulnerability on your network or system.

Mitigation Strategies

To mitigate this vulnerability, immediately update the WordPress WPComplete plugin to version 2.9.5.6 or later.

If you are a Patchstack user, you can enable auto-updates for vulnerable plugins to ensure timely patching.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-57661. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart