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Vulnerabilities

Vulnerability · CVE-2026-15015

Missing Authorization

Published Oct 13, 2026 · catalog updated Oct 13, 2026 · MountDev AI MCP Connector for WordPress

Patch now

CVE-2026-15015 is in the CISA known-exploited catalog. Confirm MountDev AI MCP Connector for WordPress against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.71%
Remediation
Remediation guidance
Affected products
stated MountDev AI MCP Connector for WordPress · vendor cascadiawebservices MountDev AI MCP Connector for WordPress

The MountDev AI MCP Connector for WordPress plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.6.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to obtain an administrator-bound OAuth Bearer token via a self-registered client, granting full administrator-equivalent access to the plugin's MCP tool surface and all exposed WordPress content, users, and options. This is exploitable by combining the publicly accessible Dynamic Client Registration e

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • stated MountDev AI MCP Connector for WordPress<= 1.6.1
  • vendor cascadiawebservices MountDev AI MCP Connector for WordPressversion unspecified

How to fix CVE-2026-15015

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2026-15015 is in the CISA known-exploited catalog. Confirm MountDev AI MCP Connector for WordPress against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with MountDev AI MCP Connector for WordPress <= 1.6.1. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 0.71%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 13, 2026 · VulnCheck KEV

    Detected

    The MountDev AI MCP Connector for WordPress plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.6.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to obtain an administrator-bound OAuth Bearer token via a self-registered client, granting full admini

  2. Oct 13, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2026-15015

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-15015

    30-day exploitation probability 0.7%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2026-15015

    The MountDev AI MCP Connector for WordPress plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.6.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthen

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.