phpMyFAQ before 4.1.8 TOTP Secret Exposure via Data Export
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-200.
Summary
phpMyFAQ versions before 4.1.8 include live TOTP shared secrets in plaintext within user data export ZIP files. Attackers obtaining exported archives can extract the TOTP seed and generate valid one-time codes to bypass two-factor authentication.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA phpMyFAQ (thorsten) Fixed in 4.1.8
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
thorsten phpMyFAQ 4.1.8
7 records Highest priority Priority MEDIUM 3 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2026-58715 phpMyFAQ before 4.1.8 Authentication Bypass via Two-Factor DisablePriority MEDIUM 64
- TI-2026-58717 phpMyFAQ before 4.1.8 Authorization Bypass via question/createPriority MEDIUM 61
- TI-2026-58712 phpMyFAQ before 4.1.8 Incorrect Authorization via Admin PagesPriority MEDIUM 57
Timeline
- 2026-10-02 Threatist record created from CVE-2026-85588
- 2026-10-03 Alias added: GHSA-prvh-6vp9-668j
References
More thorsten vulnerabilities
- TI-2023-00296 Improper Authentication in thorsten/phpmyfaq CVSS 3.1CRITICAL 9.8
- TI-2026-76118 Authentication bypass in phpMyFAQ via WebAuthn credential injection CVSS 4.0CRITICAL 9.3
- TI-2026-32868 phpMyFAQ - Unauthenticated Two-Factor Authentication Brute-Force via /admin/check Endpoint CVSS 4.0CRITICAL 9.3
- TI-2026-76108 Unauthenticated denial of service in phpMyFAQ API pagination CVSS 4.0HIGH 8.7
- TI-2026-53313 phpMyFAQ 3.1.0 through 4.1.6 Authentication Bypass via LDAP CVSS 4.0HIGH 8.8
- TI-2026-34083 phpMyFAQ - Unauthenticated Information Disclosure via getIdFromSolutionId Permission Bypass CVSS 4.0HIGH 8.7
Sources
- CVE-2026-85588 · CVE Program
- CVE-2026-85588 · NVD
- FIRST EPSS
- GHSA-prvh-6vp9-668j · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences