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PHP CVE-2026-24421

MEDIUM
Missing Authorization (CWE-862)
2026-01-24 security-advisories@github.com GHSA-wm8h-26fv-mg7g
PHP Phpmyfaq
6.5
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

4
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 21:59 vuln.today
PoC Detected
Jan 30, 2026 - 17:29 vuln.today
Public exploit code
CVE Published
Jan 24, 2026 - 02:15 nvd
MEDIUM 6.5

DescriptionGitHub Advisory

phpMyFAQ is an open source FAQ web application. Versions 4.0.16 and below have flawed authorization logic which exposes the /api/setup/backup endpoint to any authenticated user despite their permissions. SetupController.php uses userIsAuthenticated() but does not verify that the requester has configuration/admin permissions. Non-admin users can trigger a configuration backup and retrieve its path. The endpoint only checks authentication, not authorization, and returns a link to the generated ZIP. This issue is fixed in version 4.0.17.

AnalysisAI

phpMyFAQ versions 4.0.16 and below allow authenticated users to access the backup API endpoint without proper authorization checks, enabling them to download configuration files containing sensitive data. The vulnerability stems from incomplete authorization validation in SetupController.php, which only verifies authentication rather than admin permissions. …

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Vulnerability AssessmentAI

Risk Assessment CVSS 6.5 (MEDIUM). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker (requires authentication) could exploit this vulnerability to compromise the affected system.
Remediation Fixed in version 4.0.17.. … Detailed patch versions, workarounds, and compensating controls in full report.
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Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …

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CVE-2026-24421 vulnerability details – vuln.today
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