CVE-2026-56396

HIGH EPSS 16.3%

Published Jun 21, 20261w ago · Modified Jun 23, 20261w ago

8.7 CVSS 4.0

High

Published Jun 21, 2026 1w ago

Last Modified Jun 23, 2026 1w ago

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.

CVSS Details

Base Score

8.7

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required Low

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

16.3% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-862 Missing Authorization Authorization

References 2

github.com https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-985r-q3qp-299h
vulncheck.com https://www.vulncheck.com/advisories/phpmyfaq-privilege-escalation-via-missing-authorization-in-edituser-and-updateuserrights

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.