Arbitrary Code Execution in Cornerstone Plugin by WordPress
CVE-2026-49113

8.5HIGH

Key Information:

Vendor

WordPress
Status
Cornerstone
Vendor
CVE Published:
16 June 2026

What is CVE-2026-49113?

The Cornerstone plugin for WordPress has a vulnerability that allows unauthorized users to execute arbitrary code. This flaw affects versions prior to 7.8.8, potentially enabling attackers to manipulate the site's functionality and compromise sensitive data. It is crucial for users of the affected versions to update their plugins to ensure system integrity and prevent exploitation.

Affected Version(s)

Cornerstone < 7.8.8

References

https://patchstack.com/database/wordpress/plugin/cornerst...
vdb-entry

CVSS V3.1

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Nguyen Ba Khanh | Patchstack Bug Bounty Program
.