CVE-2026-54185
Deferred Deferred - Pending Action

Subscriber SQL Injection in Cornerstone

Publication date: 2026-06-17

Last updated on: 2026-06-17

Assigner: Patchstack

Description
Subscriber SQL Injection in Cornerstone < 7.8.8 versions.

CVSS Scores

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Meta Information

Published
2026-06-17
Last Modified
2026-06-17
Generated
2026-07-08
AI Q&A
2026-06-17
EPSS Evaluated
2026-07-06
NVD
CVE-2026-54185
EUVD
EUVD-2026-37630

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
cornerstone cornerstone to 7.8.8 (exc)
patchstack cornerstone to 7.8.8 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-89 The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.

Attack-Flow Graph

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Compliance Impact

The SQL Injection vulnerability in Cornerstone versions prior to 7.8.8 allows attackers to interact directly with the website's database and potentially steal sensitive information.

Such unauthorized access to sensitive data can lead to violations of data protection regulations like GDPR and HIPAA, which require safeguarding personal and health information against unauthorized access and breaches.

Therefore, failure to patch this vulnerability or mitigate it promptly could result in non-compliance with these common standards and regulations.

Executive Summary

CVE-2026-54185 is a high-priority SQL Injection vulnerability found in the WordPress Cornerstone Plugin versions prior to 7.8.8.

This flaw allows attackers to interact directly with the website's database by injecting malicious SQL code.

Such interaction can lead to unauthorized access to sensitive data stored in the database.

Impact Analysis

The vulnerability can have significant impacts including the potential theft of sensitive information from your website's database.

Because it is a high-severity issue with a CVSS score of 8.5, it poses a serious security risk.

Attackers could exploit this vulnerability in mass campaigns targeting thousands of websites, increasing the likelihood of compromise.

If exploited, it could lead to data breaches and loss of trust from users or customers.

Mitigation Strategies

To mitigate the CVE-2026-54185 SQL Injection vulnerability in the WordPress Cornerstone Plugin versions prior to 7.8.8, immediate action is required.

  • Update the Cornerstone plugin to version 7.8.8 or later.
  • Enable auto-updates for the Cornerstone plugin to ensure future vulnerabilities are patched promptly.
  • Alternatively, apply the mitigation rule provided by Patchstack if updating immediately is not possible.

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