Thorsten phpMyFAQ up to 4.2.0-alpha.2 UserController updateUserRights privileges management

Summaryinfo

A vulnerability, which was classified as problematic, was found in Thorsten phpMyFAQ. Affected by this issue is the function UserController::updateUserRights of the component UserController. Such manipulation leads to privileges management. This vulnerability is listed as CVE-2026-111890. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Thorsten phpMyFAQ. Affected by this issue is the function UserController::updateUserRights of the component UserController. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-111890 since 10/17/2026. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are necessary for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 4.2.0-beta eliminates this vulnerability.

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Productinfo

Type

• Content Management System

Vendor

• Thorsten

Name

• phpMyFAQ

Version

• 3.1.8
• 3.1.9
• 3.1.10
• 3.1.11
• 3.1.12
• 3.1.13
• 3.1.14
• 3.1.16
• 3.1.17
• 3.1.18
• 3.2.0-alpha
• 3.2.0-beta
• 3.2.0-beta.2
• 3.2.1
• 3.2.2
• 3.2.5
• 3.2.6
• 3.2.10
• 4.0.0
• 4.0.2
• 4.0.13
• 4.0.14
• 4.0.16
• 4.0.17
• 4.0.18
• 4.1.1
• 4.1.2
• 4.1.3
• 4.1.4
• 4.1.6
• 4.1.7
• 4.1.8
• 4.1.9
• 4.2.0-alpha
• 4.2.0-alpha.2

License

• open-source

Website

• Product: https://github.com/thorsten/phpMyFAQ/

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CPE 2.2info

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