Royal MCP – Secure AI Connector for Claude, ChatGPT & any LLM via MCP 1.4.38 — 1.5.9 - Missing Authorization
CVE-2026-111960Published · Updated Action summary
Affected: 1.4.38 – 1.5.9Update to 1.5.10 or newer
All remediation steps- Severity
- Medium4.3
- CVSS
- 4.3CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:LPrivileges required- Low
UI:NUser interaction- None
S:UScope- Unchanged
C:NConfidentiality- None
I:LIntegrity- Low
A:NAvailability- None
- Weakness
- CWE-862 Missing Authorization
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Royal MCP – Secure AI Connector for Claude, ChatGPT & any LLM via MCP royal-mcp
- Affected1.4.38 – 1.5.9
- Patched in1.5.10
Update to 1.5.10 or newer.
You are affected if you run 1.4.38 – 1.5.9. Version 1.5.10 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Royal MCP – Secure AI Connector for Claude, ChatGPT & any LLM via MCP.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 1.5.10, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Royal MCP – Secure AI Connector for Claude, ChatGPT & any LLM via MCP to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Vincent Cassiau.
The Royal MCP – Secure AI Connector for Claude, ChatGPT & any LLM via MCP plugin for WordPress is vulnerable to unauthorized access in versions 1.4.38 through 1.5.9. This is due to a missing capability check on a function. This makes it possible for authenticated attackers, with subscriber-level access and above, to perform an unauthorized action.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in Royal MCP – Secure AI Connector for Claude, ChatGPT & any LLM via MCP
All 6| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium4.3 | Missing Authorization <1.5.10Update to 1.5.10 | CVE-2026-111961 | |
| High7.5 | Authentication Bypass <1.5.7Update to 1.5.7 | CVE-2026-111958 | |
| Medium4.3 | Missing Authorization ≤1.4.25Update to 1.4.26 | CVE-2026-54842 | |
| Medium5.3 | Missing Authorization to Unauthenticated MCP Tool Use ≤1.4.25Update to 1.4.26 | CVE-2026-10750 | |
| Medium5.3 | Missing Authorization ≤1.4.2Update to 1.4.3 | CVE-2026-40775 |
- Medium4.3Missing Authorization
<1.5.10Update to 1.5.10
- High7.5Authentication Bypass
<1.5.7Update to 1.5.7
- Medium4.3Missing Authorization
≤1.4.25Update to 1.4.26
- Medium5.3Missing Authorization to Unauthenticated MCP Tool Use
≤1.4.25Update to 1.4.26
- Medium5.3Missing Authorization
≤1.4.2Update to 1.4.3
Same weakness (Missing Authorization)
All Missing Authorization| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header | CVE-2026-120688 | |
| Critical9.8 | Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission | CVE-2026-125055 | |
| Critical9.8 | Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter | CVE-2026-119077 | |
| Medium5.3 | Unauthenticated Sensitive Information Exposure in 'search' Parameter | CVE-2026-121518 |
- High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup
≤5.25.25Update to 5.26.45
- Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder
≤1.0.2Update to 1.1
- Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System
≤3.3.9Update to 3.4.0
- Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce
≤5.127.0Update to 5.128.0
Timeline
CVE published
Severity medium, CVSS 4.3
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- [object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.