EUVD-2026-71015
GHSA-447p-f6x5-rw98
Severity by source
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-accessible unauthenticated (PR:N), but requires two specific configuration states (AC:H); impact is spam injection only (I:L, C:N, A:N).
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
2DescriptionCVE.org
phpMyFAQ before 4.1.8 contains an authorization bypass vulnerability in the question creation endpoint where the isAddingQuestionsAllowed() method grants access to all callers when main.enableAskQuestions is enabled, ignoring the records.allowQuestionsForGuests setting. Unauthenticated attackers can submit questions via the question/create API endpoint to bypass guest submission restrictions and inject spam into the admin moderation queue.
AnalysisAI
Authorization bypass in phpMyFAQ before 4.1.8 allows unauthenticated network attackers to submit questions through the question/create API endpoint regardless of guest-restriction settings. The root cause is an incomplete two-setting access control check: isAddingQuestionsAllowed() enforces only the main.enableAskQuestions feature flag while silently ignoring the records.allowQuestionsForGuests restriction, nullifying administrator intent. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that main.enableAskQuestions is set to true in the phpMyFAQ configuration - if this global flag is disabled, the question creation feature is inactive and the endpoint is unreachable. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 6.3 with vector AV:N/AC:H/AT:P/PR:N/UI:N reflects genuine nuance: the attack is network-accessible and requires no authentication (PR:N confirmed), but AC:H and AT:P acknowledge the dependency on a specific configuration state - specifically, enableAskQuestions must be true while allowQuestionsForGuests is false. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to phpMyFAQ 4.1.8 or later, which corrects the isAddingQuestionsAllowed() logic to evaluate both the main.enableAskQuestions and records.allowQuestionsForGuests settings before permitting access to the question/create endpoint. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Insufficient Session Expiration in GitHub repository thorsten/phpmyfaq prior to 3.2.2. Rated critical severity (CVSS 9.8
Authentication Bypass by Capture-replay in GitHub repository thorsten/phpmyfaq prior to 3.1.12. Rated critical severity
Weak Password Requirements in GitHub repository thorsten/phpmyfaq prior to 3.1.12. Rated critical severity (CVSS 9.8), t
Weak Password Requirements in GitHub repository thorsten/phpmyfaq prior to 3.1.8. Rated critical severity (CVSS 9.8), th
Unauthenticated SQL injection in phpMyFAQ before 4.1.2 allows remote attackers to extract credentials, admin tokens, and
In phpMyFAQ before 2.9.9, there is Cross-Site Request Forgery (CSRF) in admin/stat.ratings.php. Rated high severity (CVS
In phpMyFaq before 2.9.9, there is CSRF in admin/ajax.config.php. Rated high severity (CVSS 8.8), this vulnerability is
In phpMyFAQ before 2.9.9, there is Cross-Site Request Forgery (CSRF) for modifying a glossary. Rated high severity (CVSS
In phpMyFAQ before 2.9.9, there is Cross-Site Request Forgery (CSRF) in admin/stat.main.php. Rated high severity (CVSS 8
phpMyFAQ is an open source FAQ web application for PHP 8.1+ and MySQL, PostgreSQL and other databases. Rated high severi
phpMyFAQ is an open source FAQ web application for PHP 8.1+ and MySQL, PostgreSQL and other databases. Rated high severi
Improper Privilege Management in GitHub repository thorsten/phpmyfaq prior to 3.1.12. Rated high severity (CVSS 8.8), th
Same weakness CWE-863 – Incorrect Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
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