CVE-2026-56396 Details
Description
phpMyFAQ before 4.1.4 contains missing authorization vulnerabilities in editUser() and updateUserRights() endpoints that allow authenticated administrators to escalate privileges. Non-SuperAdmin users with edit_user permission can set is_superadmin flag or grant arbitrary rights to escalate to SuperAdmin access.
A missing authorization vulnerability has been identified in phpMyFAQ versions prior to 4.1.4. This vulnerability exists in the editUser() and updateUserRights() endpoints, allowing authenticated administrators to escalate privileges. Non-SuperAdmin users with the edit_user permission can manipulate the is_superadmin flag or grant arbitrary rights, effectively gaining SuperAdmin access.
Users are advised to update phpMyFAQ to version 4.1.4 or later, where this vulnerability has been addressed.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jun 21, 2026CISA-ADP
Assessed Jun 23, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-985r-q3qp-299h | CISA-ADP | AdvisoryExploitRemedyVendor |
| https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-985r-q3qp-299h | [email protected] | AdvisoryExploitRemedyVendor |
| https://www.vulncheck.com/advisories/phpmyfaq-privilege-escalation-via-missing-authorization-in-edituser-and-updateuserrights | [email protected] | Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-862 | Missing Authorization | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| phpMyFAQ | <= 4.1.3 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 23, 2026 | CVE Modified | CISA-ADP |
| Jun 21, 2026 | New CVE Received | [email protected] |
Volerion