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CVE-2026-47132— phpMyFAQ: SQL LIKE Wildcard Injection in Chat User Search Allows Authenticated User Enumeration

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 是一个开源的常见问题解答(FAQ)Web 应用。在 4.2.0-alpha 版本之前,phpMyFAQ 的聊天用户搜索功能中存在一个经过认证的 SQL LIKE 通配符注入漏洞,该漏洞允许任何已登录的用户绕过预设的显示名称搜索过滤器,从而枚举活跃用户。该端点虽然会对 SQL 字符串语法进行转义,但并未对 和 进行转义,导致这两个字符作为有效的 通配符仍然起作用。版本 4.2.0-alpha 已修复此问题。

CVSS 5.4 · Medium EPSS 0.25% · P15

Affected Version Matrix 1

VendorProduct Version RangeStatus
thorsten phpMyFAQ < 4.2.0-alpha affected
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I. Basic Information for CVE-2026-47132

Vulnerability Information

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Vulnerability Title
phpMyFAQ: SQL LIKE Wildcard Injection in Chat User Search Allows Authenticated User Enumeration
Source: CVE Program / CVE List V5
Vulnerability Description
phpMyFAQ is an open source FAQ web application. Prior to version 4.2.0-alpha, an authenticated SQL LIKE wildcard injection vulnerability in phpMyFAQ’s chat user search allows any logged-in user to bypass the intended display-name search filter and enumerate active users. The endpoint escapes SQL string syntax but does not escape `%` and `_`, which remain active `LIKE` wildcards. Version 4.2.0-alpha patches the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
thorsten phpMyFAQ < 4.2.0-alpha -

II. Public POCs for CVE-2026-47132

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III. Intelligence Information for CVE-2026-47132

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Patches & Fixes for CVE-2026-47132 (1)

Vendor Advisories for CVE-2026-47132 (1)

Same Patch Batch · thorsten · 2026-09-24 · 4 CVEs total

CVE-2026-56738 8.5 HIGH phpMyFAQ has SQL Injection in `StopWords::add()` — Unescaped Stop Word Insertion
CVE-2026-56736 8.2 HIGH phpMyFAQ has Stored XSS in Admin FAQ Editor via HTML Entity Bypass in Frontend FAQ Submiss
CVE-2026-56737 8.1 HIGH phpMyFAQ's two-factor authentication login bypasses the password factor

IV. Related Vulnerabilities

V. Comments for CVE-2026-47132

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