CVE-2026-111884: phpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta Missing Current-Password Step-Up on E-mail Change Enables Account Takeover

Severity: high (CVSS 8.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-17 · updated 2026-10-18
Weakness: CWE-308

Description

phpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta does not require the current password when changing an account e-mail in the user control panel (UserController::updateData, api/user/data/update), checking only the session and CSRF token. An attacker with a hijacked session can set the e-mail to their own mailbox and use the password-reset flow to take over non-2FA accounts, including superadmin.

Affected products

thorsten phpMyFAQ: before 4.1.9; from 4.2.0-alpha before 4.2.0-beta — fixed in 4.1.9, 4.2.0-beta

How to fix

Upgrade to a fixed version: thorsten phpMyFAQ 4.1.9, 4.2.0-beta. Check the vendor advisory for mitigations.

References

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