Incorrect authorization in Royal MCP WordPress plugin exposes non-public posts
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-863.
Summary
The Royal MCP WordPress plugin from 1.4.38 before 1.5.10 does not perform object-level or post-type authorisation checks in one of its search tools. An authenticated user with low privileges, such as a subscriber, can read the title and content of non-public entries, including personal data stored by a companion Royal MCP plugin. CWE-863 covers this flaw. A public exploit is linked in the references.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
The Royal MCP WordPress plugin before 1.5.10 does not perform object-level or post-type authorisation checks in one of its search tools, allowing authenticated users such as a subscriber to disclose the title and content of non-public entries, including personal data stored by a companion Royal MCP WordPress plugin before 1.5.10.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Royal MCP | 1.4.38 to before 1.5.10 | 1.5.10 | Patch available | CNA |
- Royal MCP VendorUnknown Affected 1.4.38 to before 1.5.10 Fixed in 1.5.10 Patch available CNA
Remediation
Update Royal MCP to version 1.5.10 or later, which fixes the flaw. CISA does not list this vulnerability in its Known Exploited Vulnerabilities catalog.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
- Fix · CNA Royal MCP (Unknown) Fixed in 1.5.10
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Royal MCP 1.5.10
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-81706 Royal MCP plugin lets contributors read private and draft pagesPriority LOW 17
Timeline
- 2026-10-28 Threatist record created from CVE-2026-111960
- 2026-10-28 Alias added: GHSA-334j-cwwv-qmmh
- 2026-10-28 CVSS score added · CISA ADP
- 2026-10-28 Weakness changed · CISA ADP
- 2026-10-28 CISA SSVC decision points changed
References
Sources
- CVE-2026-111960 · CVE Program
- CVE-2026-111960 · NVD
- FIRST EPSS
- GHSA-334j-cwwv-qmmh · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences