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

> Unauthenticated attackers can execute arbitrary SQL queries via the 404 Redirection Manager plugin to extract sensitive database information.

- **Severity:** High 8.8 (`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`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 15 Jun 2026
- **Updated:** 28 Jul 2026
- **Also known as:** GHSA-32mr-83fc-82g5

## What is CVE-2016-20071?

CVE-2016-20071 is a high-severity SQL injection vulnerability in 404-redirection-manager 404 Redirection Manager, published on 15 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official 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.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2016-20071?


## How do I fix CVE-2016-20071?

No fix has been published for CVE-2016-20071 yet. Limit exposure of the affected software until one is available.

## Is CVE-2016-20071 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2016-20071 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2016-20071 and fix it if it is affected.

What it is: CVE-2016-20071 is a high-severity SQL injection vulnerability in 404-redirection-manager 404 Redirection Manager, published on 15 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2016-20071 exists.

Affected product: 404-redirection-manager 404 Redirection Manager. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2016-20071/ (Markdown: https://insights.sbomify.com/CVE-2016-20071/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2016-20071
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-20071
- OSV: https://osv.dev/vulnerability/CVE-2016-20071

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From sbomify Insights: https://insights.sbomify.com/CVE-2016-20071/
Summaries are generated and may contain mistakes; the official description above is the record.