SB2026012639 - Multiple vulnerabilities in phpMyFAQ

Description

This security bulletin contains information about 3 vulnerabilities.

1) Improper access control (CVE-ID: CVE-2026-24420)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to a permissive permission check in attachment.php. A remote user can bypass implemented security restrictions and download FAQ attachments.

2) Information disclosure (CVE-ID: CVE-2026-24422)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to several public API endpoints return email addresses and non‑public records. A remote attacker can gain unauthorized access to sensitive information on the system.

3) Missing Authorization (CVE-ID: CVE-2026-24421)

CWE-ID: CWE-862 - Missing Authorization

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to missing authorization. A remote user can call /api/setup/backup to trigger a configuration backup and gain access to sensitive information.

Remediation

Install update from vendor's website.

References

• https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-7p9h-m7m8-vhhv
• https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-j4rc-96xj-gvqc
• https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-wm8h-26fv-mg7g