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CVE-2026-45010— phpMyFAQ - Unauthenticated Two-Factor Authentication Brute-Force via /admin/check Endpoint

Quick assessment

Affected
thorsten phpmyfaq
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

phpMyFAQ是Thorsten Rinne个人开发者的一个多语言、完全由数据库驱动的常见问题解答系统。 phpMyFAQ 4.1.2之前版本存在安全漏洞，该漏洞源于/admin/check端点中未限制认证尝试次数，可能导致未认证攻击者暴力破解TOTP码绕过双因素认证。

CVSS 9.1 · Critical EPSS 0.57% · P45

Affected Version Matrix 2

VendorProduct Version RangeStatus
thorsten phpmyfaq < 4.1.2 affected
4.1.2 unaffected
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I. Basic Information for CVE-2026-45010

Vulnerability Information
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Vulnerability Title
phpMyFAQ - Unauthenticated Two-Factor Authentication Brute-Force via /admin/check Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
过多认证尝试的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
phpMyFAQ 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
phpMyFAQ是Thorsten Rinne个人开发者的一个多语言、完全由数据库驱动的常见问题解答系统。 phpMyFAQ 4.1.2之前版本存在安全漏洞，该漏洞源于/admin/check端点中未限制认证尝试次数，可能导致未认证攻击者暴力破解TOTP码绕过双因素认证。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
thorsten phpmyfaq 0 ~ 4.1.2 -

II. Public POCs for CVE-2026-45010

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III. Intelligence Information for CVE-2026-45010

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Vendor Advisories for CVE-2026-45010 (2)

Same Patch Batch · thorsten · 2026-05-15 · 13 CVEs total

CVE-2026-46364 9.8 CRITICAL phpMyFAQ - SQL Injection via User-Agent Header in BuiltinCaptcha
CVE-2026-46367 7.6 HIGH phpMyFAQ - Stored XSS via Utils::parseUrl() in Comment Rendering
CVE-2026-46359 7.5 HIGH phpMyFAQ - SQL Injection in CurrentUser::setTokenData via Unescaped OAuth Token Fields
CVE-2026-46366 7.5 HIGH phpMyFAQ - Unauthenticated Information Disclosure via getIdFromSolutionId Permission Bypas
CVE-2026-46361 6.9 MEDIUM phpMyFAQ - Stored Cross-Site Scripting via raw Filter in search.twig
CVE-2026-45008 6.5 MEDIUM phpMyFAQ - Path Traversal in Client::deleteClientFolder via URL Parameter
CVE-2026-46362 6.5 MEDIUM phpMyFAQ - Authorization Bypass in Admin Pages via Non-Terminating Permission Check
CVE-2026-46360 5.4 MEDIUM phpMyFAQ - Stored XSS via Entity Decoding Depth Limit Bypass in SVG Sanitizer
CVE-2026-46363 5.4 MEDIUM phpMyFAQ - Stored XSS in FAQ Question/Answer via Encode-Decode Bypass
CVE-2026-46365 5.4 MEDIUM phpMyFAQ - Missing Authorization in Tag Deletion Endpoint
CVE-2026-45007 4.3 MEDIUM phpMyFAQ - Missing Permission Check on 12 Configuration API Endpoints Allows Information D
CVE-2026-45009 4.3 MEDIUM phpMyFAQ - Insufficient Authorization Check in Admin API Endpoints

IV. Related Vulnerabilities

Same product: phpmyfaq
Same vendor: thorsten
Same weakness: CWE-307

V. Comments for CVE-2026-45010

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