CVE-2026-56396

phpMyFAQ - Privilege Escalation via Missing Authorization in editUser() and updateUserRights()

State: Published
Severity: 8.7 High
Published: Jun 21, 2026
Updated: Jun 23, 2026
Reserved: Jun 21, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	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	VulnCheck
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	VulnCheck

Weaknesses

CWE-862 Missing Authorization

Affected Products

Product	Versions
phpMyFAQphpMyFAQ	before 4.1.4Affected 4.1.4Not affected

References

GHSA Advisory GHSA-985r-q3qp-299hvendor-advisory
VulnCheck Advisory: phpMyFAQ - Privilege Escalation via Missing Authorization in editUser() and updateUserRights()third-party-advisory

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