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CVE-2026-75920— phpMyFAQ before 4.1.6 Information Disclosure via Backup ZIP

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.

Thorsten Rinne phpMyFAQ是Thorsten Rinne个人开发者的一款常见问题解答管理系统。 Thorsten Rinne phpMyFAQ 4.1.6之前版本存在资源管理错误漏洞，该漏洞源于将内容备份ZIP归档写入Web可访问的文档根目录，暴露包括数据库凭据在内的敏感文件，可能导致未认证攻击者通过并发请求竞争下载临时ZIP文件，或利用管理员环境中的XSS触发认证备份并检索归档。

CVSS 5.3 · Medium EPSS 0.26% · P17

Affected Version Matrix 2

VendorProduct Version RangeStatus
thorsten phpMyFAQ < 4.1.6 affected
4.1.6 unaffected
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I. Basic Information for CVE-2026-75920

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
phpMyFAQ before 4.1.6 Information Disclosure via Backup ZIP
Source: CVE Program / CVE List V5
Vulnerability Description
phpMyFAQ before v4.1.6 writes content backup ZIP archives to the web-accessible document root at content.zip, exposing sensitive files including database credentials. Unauthenticated attackers can race concurrent requests to download the temporary ZIP file before deletion, or exploit XSS in admin contexts to trigger authenticated backups and retrieve the archive.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不安全的临时文件
Source: CVE Program / CVE List V5
Vulnerability Title
Thorsten Rinne phpMyFAQ 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Thorsten Rinne phpMyFAQ是Thorsten Rinne个人开发者的一款常见问题解答管理系统。 Thorsten Rinne phpMyFAQ 4.1.6之前版本存在资源管理错误漏洞，该漏洞源于将内容备份ZIP归档写入Web可访问的文档根目录，暴露包括数据库凭据在内的敏感文件，可能导致未认证攻击者通过并发请求竞争下载临时ZIP文件，或利用管理员环境中的XSS触发认证备份并检索归档。
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 ~ 4.1.6 -

II. Public POCs for CVE-2026-75920

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III. Intelligence Information for CVE-2026-75920

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Vendor Advisories for CVE-2026-75920 (2)

Same Patch Batch · thorsten · 2026-08-19 · 14 CVEs total

CVE-2026-75918 8.8 HIGH phpMyFAQ before 4.1.7 Authentication Bypass via Tracking File
CVE-2026-76208 8.2 HIGH phpMyFAQ 3.1.0 through 4.1.6 Authentication Bypass via LDAP
CVE-2026-76205 8.1 HIGH phpMyFAQ before 4.1.7 SQL Injection via Glossary
CVE-2026-76207 8.1 HIGH phpMyFAQ before 4.1.7 2FA Bypass via Remember-Me Cookie
CVE-2026-76213 7.4 HIGH phpMyFAQ before 4.1.7 2FA Brute-Force via Session-Scoped Throttle
CVE-2026-76214 7.4 HIGH phpMyFAQ before 4.1.7 WebAuthn Replay Attack via Challenge
CVE-2026-76210 6.5 MEDIUM phpMyFAQ before v4.1.6 Local File Disclosure via PDF Export
CVE-2026-75919 5.3 MEDIUM phpMyFAQ before 4.1.7 Authentication Bypass via Setup API
CVE-2026-76206 5.3 MEDIUM phpMyFAQ before 4.1.7 Information Disclosure via PDF Export
CVE-2026-76215 5.3 MEDIUM phpMyFAQ before 4.1.7 Missing Authorization via child resources
CVE-2026-76212 5.3 MEDIUM phpMyFAQ before 4.1.7 LIKE Wildcard Injection via PostgreSQL
CVE-2026-76209 4.3 MEDIUM phpMyFAQ before v4.1.6 Registration Bypass via API
CVE-2026-76211 4.3 MEDIUM phpMyFAQ before 4.1.7 Information Disclosure via Admin API

IV. Related Vulnerabilities

Same product: phpMyFAQ
Same vendor: thorsten
Same weakness: CWE-377

V. Comments for CVE-2026-75920

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