TI-2026-32868 Aliases CVE-2026-45010 GHSA-9pq7-mfwh-xx2j

phpMyFAQ - Unauthenticated Two-Factor Authentication Brute-Force via /admin/check Endpoint

HIGH 81CWE-307Published 2026-05-15 · Updated 2026-11-08

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · None
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-307.

Summary

phpMyFAQ before 4.1.2 contains an improper restriction of excessive authentication attempts vulnerability in the /admin/check endpoint, which accepts arbitrary user-id parameters without session binding or rate limiting. Unauthenticated attackers can brute-force any user's six-digit TOTP code by submitting POST requests with sequential token values, bypassing two-factor authentication to gain full administrative access.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00432 37th percentileScored 2026-11-07

Fix Fixed phpmyfaq (thorsten): 4.1.2thorsten/phpmyfaq (Packagist): 4.1.2+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
thorsten	phpmyfaq	before 4.1.2	4.1.2	Patch available	CNA
—	thorsten/phpmyfaq (Packagist)	before 4.1.2	4.1.2	Patch available	GHSA-9pq7-mfwh-xx2j
—	phpmyfaq/phpmyfaq (Packagist)	before 4.1.2	4.1.2	Patch available	GHSA-9pq7-mfwh-xx2j

phpmyfaq Vendorthorsten Affected before 4.1.2 Fixed in 4.1.2 Patch available CNA
thorsten/phpmyfaq (Packagist) Vendor— Affected before 4.1.2 Fixed in 4.1.2 Patch available GHSA-9pq7-mfwh-xx2j
phpmyfaq/phpmyfaq (Packagist) Vendor— Affected before 4.1.2 Fixed in 4.1.2 Patch available GHSA-9pq7-mfwh-xx2j

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:phpmyfaq:phpmyfaq::::::::	—	—	thorsten

cpe:2.3:a:phpmyfaq:phpmyfaq:*:*:*:*:*:*:*:* Versions — — ·thorsten

Remediation

Fix · CNA phpmyfaq (thorsten) Fixed in 4.1.2
Fix · GHSA-9pq7-mfwh-xx2j thorsten/phpmyfaq (Packagist) Fixed in 4.1.2 Advisory →
Fix · GHSA-9pq7-mfwh-xx2j phpmyfaq/phpmyfaq (Packagist) Fixed in 4.1.2 Advisory →

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2026-05-15
thorsten phpmyfaq 4.1.2
13 records Highest priority Priority HIGH 5 HIGH, 8 MEDIUM
Other records, highest priority first
- TI-2026-34083 phpMyFAQ - Unauthenticated Information Disclosure via getIdFromSolutionId Permission BypassPriority HIGH 77
- TI-2026-34084 phpMyFAQ - Stored XSS via Utils::parseUrl() in Comment RenderingPriority HIGH 69
- TI-2026-34078 phpMyFAQ - Stored Cross-Site Scripting via raw Filter in search.twigPriority HIGH 69
Show all 13 records →

Timeline

2026-10-02 Threatist record created from CVE-2026-45010
2026-10-03 Alias added: GHSA-9pq7-mfwh-xx2j

References

Advisory 2

Other 1

https://github.com/thorsten/phpMyFAQ

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-2026-76108 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
TI-2026-27777 phpMyFAQ - Unauthenticated Password Reset via User Password Update Endpoint CVSS 4.0HIGH 8.8

See all 224 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences