Description
Subscriber Privilege Escalation in ByteCoreStack &#8211; MCP Connector for AI Tools <= 1.2.2 versions.
Published: 2026-10-01
Score: 8.8 High
EPSS: n/a
KEV: No
Impact: Privilege Escalation
Action: Patch Now
AI Analysis

Impact

A vulnerability in the ByteCoreStack – MCP Connector for AI Tools plugin allows a subscriber to elevate privileges, potentially granting higher level access than intended. The weakness resides in improper privilege validation, classified as CWE‑266. The flaw can compromise confidentiality, integrity, and availability of the affected WordPress installation if exploited.

Affected Systems

WordPress sites running the ByteCoreStack – MCP Connector for AI Tools plugin version 1.2.2 or earlier. The vendor is ByteCore Stack and the product is the MCP Connector for AI Tools plugin, with affected releases up to and including 1.2.2.

Risk and Exploitability

The CVSS score of 8.8 indicates high severity. The EPSS score is not available, and the vulnerability is not listed in CISA KEV. The likely attack vector requires an authenticated subscriber account that can access the plugin’s privilege management. An attacker could use this flaw to gain elevated privileges, leading to unauthorized changes or data exposure.

Generated by OpenCVE AI on October 1, 2026 at 15:22 UTC.

Remediation

Vendor Solution

Update the WordPress ByteCoreStack – MCP Connector for AI Tools plugin to the latest available version (at least 1.2.4).

OpenCVE Recommended Actions

  • Update the ByteCoreStack – MCP Connector for AI Tools plugin to version 1.2.4 or later.
  • If an upgrade cannot be performed immediately, disable or uninstall the plugin to eliminate the vulnerability.
  • Review and tighten subscriber role permissions to enforce least privilege, ensuring no unnecessary escalation paths remain.

Generated by OpenCVE AI on October 1, 2026 at 15:22 UTC.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Thu, 01 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Thu, 01 Oct 2026 14:45:00 +0000

Type Values Removed Values Added
Description Subscriber Privilege Escalation in ByteCoreStack &#8211; MCP Connector for AI Tools <= 1.2.2 versions.
Title WordPress ByteCoreStack – MCP Connector for AI Tools plugin <= 1.2.2 - Privilege Escalation vulnerability
Weaknesses CWE-266
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: Patchstack

Published:

Updated: 2026-10-01T16:19:55.947Z

Reserved: 2026-09-30T00:15:58.644Z

Link: CVE-2026-103068

cve-icon Vulnrichment

Updated: 2026-10-01T16:19:53.379Z

cve-icon NVD

Status : Received

Published: 2026-10-01T15:17:26.037

Modified: 2026-10-01T17:17:18.073

Link: CVE-2026-103068

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-01T15:30:08Z

Weaknesses
  • CWE-266

    Incorrect Privilege Assignment