CVE-2026-111890

phpMyFAQ from 4.2.0-alpha.2 before 4.2.0-beta contains a privilege escalation vulnerability in UserController::updateUserRights that drops per-right language restrictions when rights are re-granted. Administrators holding USER_EDIT can submit language-scoped rights to the update-rights API, including for themselves, to gain unrestricted FAQ create, edit, and publish access across all languages.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-3666-fmjj-qm5h
https://www.vulncheck.com/advisories/phpmyfaq-4.2.0-alpha.2-before-4.2.0-beta-privilege-escalation-via-updateuserrights
https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-3666-fmjj-qm5h

Configurations

No configuration.

History

19 Oct 2026, 15:16

Type	Values Removed	Values Added
References	~~() https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-3666-fmjj-qm5h -~~	() https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-3666-fmjj-qm5h -

17 Oct 2026, 19:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-17 19:16

Updated : 2026-10-19 15:16

NVD link : CVE-2026-111890

Mitre link : CVE-2026-111890

CVE.ORG link : CVE-2026-111890

JSON object : View

Products Affected

No product.

CWE

CWE-269

Improper Privilege Management

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