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    CVE-2026-85586

    phpMyFAQ versions before 4.1.8 fail to validate CAPTCHA when the store parameter is set to 'now' in question submission requests. Unauthenticated attackers can bypass CAPTCHA protection and submit unlimited questions directly, causing database pollution and triggering outgoing mail notifications.

    Published:Sep 4, 2026
    Last Modified:Sep 10, 2026
    EPS:Sep 4, 2026
    EPSS Score:0.00359
    CVSS Score:6.9

    Affected Products

    Vendor
    Phpmyfaq
    Product
    Phpmyfaq
    Vendor
    Thorsten
    Product
    Phpmyfaq

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-85593 (CVSS 5.1) — phpMyFAQ versions before 4.1.8 contain a stored cross-site scripting vulnerability in FaqHelper::convertOldInt…
    CVE-2026-85592 (CVSS 6.3) — phpMyFAQ before 4.1.8 contains an authorization bypass vulnerability in the question creation endpoint where t…
    CVE-2026-85591 (CVSS 7.1) — phpMyFAQ versions before 4.1.8 contain an authentication bypass vulnerability in the user control panel API en…
    CVE-2026-85590 (CVSS 7.1) — phpMyFAQ before 4.1.8 contains an authentication bypass vulnerability in its two-factor authentication (TOTP) …
    CVE-2026-85589 (CVSS 5.3) — phpMyFAQ before 4.2.0-alpha.2 contains a missing authorization vulnerability in the admin dashboard API endpoi…
    CVE-2026-85588 (CVSS 5.3) — phpMyFAQ versions before 4.1.8 include live TOTP shared secrets in plaintext within user data export ZIP files…
    CVE-2026-85587 (CVSS 5.3) — phpMyFAQ before 4.1.8 enforces incorrect permission checks on admin content pages, allowing lesser-privileged …
    CVE-2026-76215 (CVSS 6.9) — phpMyFAQ before 4.1.7 fails to apply parent FAQ visibility checks before returning child resources including c…
    CVE-2026-76214 (CVSS 9.1) — phpMyFAQ before 4.1.7 fails to persist the WebAuthn login challenge generated by prepareForLogin, because neit…
    CVE-2026-76213 (CVSS 9.1) — phpMyFAQ before 4.1.7 contains a brute-force vulnerability in the two-factor authentication step where the fai…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High