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CVE-2026-35671— phpMyFAQ - Insecure Direct Object Reference in User Password API

Quick assessment

Affected
thorsten phpMyFAQ
Exploitation
Public or AI PoC available; prioritize validation
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 4.1.3之前版本存在安全漏洞，该漏洞源于管理API用户密码端点存在不安全的直接对象引用，使得经过身份验证的管理员可在未授权验证的情况下更改任意用户密码，导致低权限管理员可通过修改userId参数提升至超级管理员权限。

CVSS 8.8 · High EPSS 0.44% · P37

Affected Version Matrix 2

VendorProduct Version RangeStatus
thorsten phpMyFAQ < 4.1.3 affected
4.1.3 unaffected
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I. Basic Information for CVE-2026-35671

Vulnerability Information
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Vulnerability Title
phpMyFAQ - Insecure Direct Object Reference in User Password API
Source: CVE Program / CVE List V5
Vulnerability Description
phpMyFAQ before 4.1.3 contains an insecure direct object reference vulnerability in the admin API user password endpoint that allows authenticated administrators to change any user's password without authorization verification. An attacker with low-privilege admin credentials can escalate to SuperAdmin by modifying the userId parameter in the overwrite-password API request.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
特权授予不正确
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 4.1.3之前版本存在安全漏洞，该漏洞源于管理API用户密码端点存在不安全的直接对象引用，使得经过身份验证的管理员可在未授权验证的情况下更改任意用户密码，导致低权限管理员可通过修改userId参数提升至超级管理员权限。
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 ~ 4.1.3 -

II. Public POCs for CVE-2026-35671

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 9385 chars
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III. Intelligence Information for CVE-2026-35671

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Vendor Advisories for CVE-2026-35671 (2)

Same Patch Batch · thorsten · 2026-05-28 · 4 CVEs total

CVE-2026-35675 8.2 HIGH phpMyFAQ - Authentication Bypass via Missing Password Reset Token in /api/user/password/up
CVE-2026-35676 8.2 HIGH phpMyFAQ - Unauthenticated Password Reset via User Password Update Endpoint
CVE-2026-35672 7.5 HIGH phpMyFAQ - Authentication Bypass via Empty API Token

IV. Related Vulnerabilities

Same product: phpMyFAQ
Same vendor: thorsten
Same weakness: CWE-266

V. Comments for CVE-2026-35671

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