phpMyFAQ through 4.1.10 contains a missing authorization vulnerability in the MCP server faq_search tool that allows MCP clients to read restricted FAQs because Search::searchDatabase() never applies user or group permission checks. Attackers connected to the phpmyfaq:mcp:server can issue search queries to retrieve the full question and answer text of active FAQs restricted to specific users or groups.
Attack Parameters
Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Phpmyfaq Phpmyfaq
cpe:2.3:a:phpmyfaq:phpmyfaq:*:*:*:*:*:*:*:*
|
4.1.0
|
<= 4.1.10
|
References 5
https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/phpmyfaq-mcp-search-visibility
NVD
https://github.com/thorsten/phpMyFAQ/blob/4.1.10/phpmyfaq/src/phpMyFAQ/Search.p…
NVD
https://github.com/thorsten/phpMyFAQ/blob/4.1.10/phpmyfaq/src/phpMyFAQ/Service/…
NVD
https://github.com/thorsten/phpMyFAQ
NVD
https://www.vulncheck.com/advisories/phpmyfaq-through-4.1.10-missing-authorizat…
VulnCheck Advisory: phpMyFAQ through 4.1.10 Missing Authorization via MCP Server faq_search Tool