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    CVE-2026-34974

    phpMyFAQ is an open source FAQ web application. Prior to version 4.1.1, the regex-based SVG sanitizer in phpMyFAQ (SvgSanitizer.php) can be bypassed using HTML entity encoding in javascript: URLs within SVG <a href> attributes. Any user with edit_faq permission can upload a malicious SVG that executes arbitrary JavaScript when viewed, enabling privilege escalation from editor to full admin takeover. This issue has been patched in version 4.1.1.

    Published:Apr 2, 2026
    Last Modified:Apr 7, 2026
    EPS:Apr 2, 2026
    EPSS Score:0.00029
    CVSS Score:5.4

    Affected Products

    Vendor
    Phpmyfaq
    Product
    Phpmyfaq
    Vendor
    Thorsten
    Product
    Phpmyfaq

    Exploits

    https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-5crx-pfhq-4hgghttps://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-5crx-pfhq-4hgg

    Related CVEs

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    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-2026-85586 (CVSS 6.9) — phpMyFAQ versions before 4.1.8 fail to validate CAPTCHA when the store parameter is set to 'now' in question s…
    CVE-2026-76215 (CVSS 6.9) — phpMyFAQ before 4.1.7 fails to apply parent FAQ visibility checks before returning child resources including c…
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    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