CVE-2026-66399

Published: Lug 27, 2026 Last Modified: Lug 27, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 8,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: high
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
MEDIUM 6,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: high
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: none

Description

AI Translation Available

phpMyFAQ before 4.1.6 contains a privilege escalation vulnerability in GroupController::updateMembers() that allows administrators with only group-management permissions to join privileged groups without verification of required rights. Attackers can add themselves to pre-existing groups holding user-management rights and immediately inherit those permissions to modify or delete user accounts.

269

Improper Privilege Management

Draft
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Access Control
Potential Impacts:
Gain Privileges Or Assume Identity
Applicable Platforms
All platforms may be affected
Likelihood of Exploit: Medium
View CWE Details
https://github.com/thorsten/phpMyFAQ/security/advisories/GH…
https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-28cc-v39j-vr95
https://www.vulncheck.com/advisories/phpmyfaq-before-privil…
https://www.vulncheck.com/advisories/phpmyfaq-before-privilege-escalation-via-g…